31013231031230 has 24 divisors (see below), whose sum is σ = 64937908241928. Its totient is φ = 10633107781968.

The previous prime is 31013231031217. The next prime is 31013231031247. The reversal of 31013231031230 is 3213013231013.

It is a junction number, because it is equal to n+sod(n) for n = 31013231031196 and 31013231031205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31646153624 + ... + 31646154603.

It is an arithmetic number, because the mean of its divisors is an integer number (2705746176747).

Almost surely, 2^{31013231031230} is an apocalyptic number.

31013231031230 is an abundant number, since it is smaller than the sum of its proper divisors (33924677210698).

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

31013231031230 is a wasteful number, since it uses less digits than its factorization.

31013231031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63292308248 (or 63292308241 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31013231031230 its reverse (3213013231013), we get a palindrome (34226244262243).

The spelling of 31013231031230 in words is "thirty-one trillion, thirteen billion, two hundred thirty-one million, thirty-one thousand, two hundred thirty".