31230024040124 has 72 divisors (see below), whose sum is σ = 70991241820128. Its totient is φ = 11704485536640.

The previous prime is 31230024040099. The next prime is 31230024040139. The reversal of 31230024040124 is 42104042003213.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 31230024040093 and 31230024040102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118700687 + ... + 118963494.

It is an arithmetic number, because the mean of its divisors is an integer number (985989469724).

Almost surely, 2^{31230024040124} is an apocalyptic number.

It is an amenable number.

31230024040124 is an abundant number, since it is smaller than the sum of its proper divisors (39761217780004).

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

31230024040124 is a wasteful number, since it uses less digits than its factorization.

31230024040124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237664243 (or 237664222 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31230024040124 its reverse (42104042003213), we get a palindrome (73334066043337).

The spelling of 31230024040124 in words is "thirty-one trillion, two hundred thirty billion, twenty-four million, forty thousand, one hundred twenty-four".