31604611230 has 72 divisors (see below), whose sum is σ = 83226786552. Its totient is φ = 8321066208.

The previous prime is 31604611201. The next prime is 31604611319. The reversal of 31604611230 is 3211640613.

31604611230 is a `hidden beast` number, since 3 + 16 + 0 + 4 + 611 + 2 + 30 = 666.

It is a super-2 number, since 2×31604611230² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31604611194 and 31604611203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 533557 + ... + 589823.

It is an arithmetic number, because the mean of its divisors is an integer number (1155927591).

Almost surely, 2^31604611230 is an apocalyptic number.

31604611230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31604611230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41613393276).

31604611230 is an abundant number, since it is smaller than the sum of its proper divisors (51622175322).

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

31604611230 is a wasteful number, since it uses less digits than its factorization.

31604611230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56438 (or 56356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 31604611230 in words is "thirty-one billion, six hundred four million, six hundred eleven thousand, two hundred thirty".