31130312331230 has 64 divisors (see below), whose sum is σ = 64307315584512. Its totient is φ = 10628630736000.

The previous prime is 31130312331193. The next prime is 31130312331319. The reversal of 31130312331230 is 3213321303113.

It is a self number, because there is not a number n which added to its sum of digits gives 31130312331230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90260672 + ... + 90604908.

It is an arithmetic number, because the mean of its divisors is an integer number (1004801806008).

Almost surely, 2^{31130312331230} is an apocalyptic number.

31130312331230 is an abundant number, since it is smaller than the sum of its proper divisors (33177003253282).

31130312331230 is a wasteful number, since it uses less digits than its factorization.

31130312331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349649.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31130312331230 its reverse (3213321303113), we get a palindrome (34343633634343).

The spelling of 31130312331230 in words is "thirty-one trillion, one hundred thirty billion, three hundred twelve million, three hundred thirty-one thousand, two hundred thirty".