31416540232 has 32 divisors (see below), whose sum is σ = 73441264320. Its totient is φ = 12240210240.

The previous prime is 31416540203. The next prime is 31416540257. The reversal of 31416540232 is 23204561413.

It is a super-2 number, since 2×31416540232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31416540194 and 31416540203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25499823 + ... + 25501054.

It is an arithmetic number, because the mean of its divisors is an integer number (2295039510).

Almost surely, 2^31416540232 is an apocalyptic number.

It is an amenable number.

31416540232 is an abundant number, since it is smaller than the sum of its proper divisors (42024724088).

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

31416540232 is a wasteful number, since it uses less digits than its factorization.

31416540232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000901 (or 51000897 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 31416540232 in words is "thirty-one billion, four hundred sixteen million, five hundred forty thousand, two hundred thirty-two".