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23130031210 = 251113297101127
BaseRepresentation
bin10101100010101010…
…000100010001101010
32012200222020022212121
4111202222010101222
5334332241444320
614343100501454
71446120010216
oct254252042152
965628208777
1023130031210
11989a332880
12459624a88a
132247cb8c00
141195c99946
159059478aa
hex562a8446a

23130031210 has 192 divisors, whose sum is σ = 50575601664. Its totient is φ = 7547904000.

The previous prime is 23130031081. The next prime is 23130031217. The reversal of 23130031210 is 1213003132.

It is not an unprimeable number, because it can be changed into a prime (23130031217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182126167 + ... + 182126293.

It is an arithmetic number, because the mean of its divisors is an integer number (263414592).

Almost surely, 223130031210 is an apocalyptic number.

23130031210 is an abundant number, since it is smaller than the sum of its proper divisors (27445570454).

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

23130031210 is a wasteful number, since it uses less digits than its factorization.

23130031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23130031210 its reverse (1213003132), we get a palindrome (24343034342).

The spelling of 23130031210 in words is "twenty-three billion, one hundred thirty million, thirty-one thousand, two hundred ten".