31042424232 has 32 divisors (see below), whose sum is σ = 86228956800. Its totient is φ = 10347474672.

The previous prime is 31042424221. The next prime is 31042424239. The reversal of 31042424232 is 23242424013.

31042424232 is a `hidden beast` number, since 3 + 1 + 0 + 4 + 2 + 424 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31042424196 and 31042424205.

It is not an unprimeable number, because it can be changed into a prime (31042424239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71857248 + ... + 71857679.

It is an arithmetic number, because the mean of its divisors is an integer number (2694654900).

Almost surely, 2^31042424232 is an apocalyptic number.

It is an amenable number.

31042424232 is an abundant number, since it is smaller than the sum of its proper divisors (55186532568).

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

31042424232 is a wasteful number, since it uses less digits than its factorization.

31042424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143714942 (or 143714932 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31042424232 its reverse (23242424013), we get a palindrome (54284848245).

The spelling of 31042424232 in words is "thirty-one billion, forty-two million, four hundred twenty-four thousand, two hundred thirty-two".