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131031024310424 = 23743121193256163
BaseRepresentation
bin11101110010110000001001…
…101010001001100010011000
3122011221102222101010222101002
4131302300021222021202120
5114133303014210413144
61142402453243044132
736412451634561230
oct3562601152114230
9564842871128332
10131031024310424
1138828a44284797
1212842834b10648
1358162321b5354
14244dd14ac8cc0
15102363e81d14e
hex772c09a89898

131031024310424 has 64 divisors (see below), whose sum is σ = 281446608061440. Its totient is φ = 56022998273280.

The previous prime is 131031024310423. The next prime is 131031024310453. The reversal of 131031024310424 is 424013420130131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131031024310421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511386167 + ... + 511642329.

It is an arithmetic number, because the mean of its divisors is an integer number (4397603250960).

Almost surely, 2131031024310424 is an apocalyptic number.

131031024310424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131031024310424 is an abundant number, since it is smaller than the sum of its proper divisors (150415583751016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131031024310424 is a wasteful number, since it uses less digits than its factorization.

131031024310424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277800 (or 277796 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131031024310424 its reverse (424013420130131), we get a palindrome (555044444440555).

The spelling of 131031024310424 in words is "one hundred thirty-one trillion, thirty-one billion, twenty-four million, three hundred ten thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 431 862 1724 3017 3448 6034 12068 21193 24136 42386 84772 148351 169544 256163 296702 512326 593404 1024652 1186808 1793141 2049304 3586282 7172564 9134183 14345128 18268366 36536732 63939281 73073464 110406253 127878562 220812506 255757124 441625012 511514248 772843771 883250024 1545687542 3091375084 5428862459 6182750168 10857724918 21715449836 38002037213 43430899672 76004074426 152008148852 304016297704 2339839719829 4679679439658 9359358879316 16378878038803 18718717758632 32757756077606 65515512155212 131031024310424