31134123230 has 96 divisors (see below), whose sum is σ = 67254300000. Its totient is φ = 10339322112.

The previous prime is 31134123227. The next prime is 31134123239. The reversal of 31134123230 is 3232143113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31134123196 and 31134123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134123239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4148021 + ... + 4155519.

It is an arithmetic number, because the mean of its divisors is an integer number (700565625).

Almost surely, 2^31134123230 is an apocalyptic number.

31134123230 is an abundant number, since it is smaller than the sum of its proper divisors (36120176770).

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

31134123230 is a wasteful number, since it uses less digits than its factorization.

31134123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786 (or 7779 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31134123230 its reverse (3232143113), we get a palindrome (34366266343).

The spelling of 31134123230 in words is "thirty-one billion, one hundred thirty-four million, one hundred twenty-three thousand, two hundred thirty".