31463542436 has 12 divisors (see below), whose sum is σ = 55114200960. Its totient is φ = 15716627880.

The previous prime is 31463542433. The next prime is 31463542441. The reversal of 31463542436 is 63424536413.

It is a junction number, because it is equal to n+sod(n) for n = 31463542393 and 31463542402.

It is not an unprimeable number, because it can be changed into a prime (31463542433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781160 + ... + 3789471.

It is an arithmetic number, because the mean of its divisors is an integer number (4592850080).

Almost surely, 2^31463542436 is an apocalyptic number.

It is an amenable number.

31463542436 is a deficient number, since it is larger than the sum of its proper divisors (23650658524).

31463542436 is a wasteful number, since it uses less digits than its factorization.

31463542436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571674 (or 7571672 counting only the distinct ones).

The product of its digits is 622080, while the sum is 41.

The spelling of 31463542436 in words is "thirty-one billion, four hundred sixty-three million, five hundred forty-two thousand, four hundred thirty-six".