31424140332 has 72 divisors (see below), whose sum is σ = 86993459280. Its totient is φ = 9505077120.

The previous prime is 31424140303. The next prime is 31424140343. The reversal of 31424140332 is 23304142413.

31424140332 is a `hidden beast` number, since 3 + 14 + 241 + 403 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31424140296 and 31424140305.

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, 541419 + ... + 596642.

It is an arithmetic number, because the mean of its divisors is an integer number (1208242490).

Almost surely, 2^31424140332 is an apocalyptic number.

It is an amenable number.

31424140332 is an abundant number, since it is smaller than the sum of its proper divisors (55569318948).

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

31424140332 is a wasteful number, since it uses less digits than its factorization.

31424140332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138143 (or 1138138 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31424140332 its reverse (23304142413), we get a palindrome (54728282745).

The spelling of 31424140332 in words is "thirty-one billion, four hundred twenty-four million, one hundred forty thousand, three hundred thirty-two".