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142310323431 = 3267347594937
BaseRepresentation
bin1000010010001001011…
…0110011010011100111
3111121022211222110200200
42010202112303103213
54312422420322211
6145213152041543
713165403535063
oct2044226632347
9447284873620
10142310323431
1155398516351
12236b75332b3
131055c40cc93
146c603c6aa3
153a7d981b56
hex21225b34e7

142310323431 has 24 divisors (see below), whose sum is σ = 205949758560. Its totient is φ = 94693487616.

The previous prime is 142310323411. The next prime is 142310323453. The reversal of 142310323431 is 134323013241.

It is a happy number.

142310323431 is a `hidden beast` number, since 1 + 4 + 2 + 310 + 3 + 2 + 343 + 1 = 666.

It is not a de Polignac number, because 142310323431 - 26 = 142310323367 is a prime.

It is a super-2 number, since 2×1423103234312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142310323395 and 142310323404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142310323411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28822795 + ... + 28827731.

It is an arithmetic number, because the mean of its divisors is an integer number (8581239940).

Almost surely, 2142310323431 is an apocalyptic number.

142310323431 is a deficient number, since it is larger than the sum of its proper divisors (63639435129).

142310323431 is a wasteful number, since it uses less digits than its factorization.

142310323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10375 (or 10372 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 142310323431 its reverse (134323013241), we get a palindrome (276633336672).

The spelling of 142310323431 in words is "one hundred forty-two billion, three hundred ten million, three hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 9 673 2019 4759 4937 6057 14277 14811 42831 44433 3202807 3322601 9608421 9967803 23495183 28825263 29903409 70485549 211456647 15812258159 47436774477 142310323431