31256054532016 has 40 divisors (see below), whose sum is σ = 60653539940864. Its totient is φ = 15603533547840.

The previous prime is 31256054532013. The next prime is 31256054532047. The reversal of 31256054532016 is 61023545065213.

It is not an unprimeable number, because it can be changed into a prime (31256054532013) 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, 94108741 + ... + 94440283.

Almost surely, 2^{31256054532016} is an apocalyptic number.

It is an amenable number.

31256054532016 is a deficient number, since it is larger than the sum of its proper divisors (29397485408848).

31256054532016 is a wasteful number, since it uses less digits than its factorization.

31256054532016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340769 (or 340763 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 31256054532016 its reverse (61023545065213), we get a palindrome (92279599597229).

The spelling of 31256054532016 in words is "thirty-one trillion, two hundred fifty-six billion, fifty-four million, five hundred thirty-two thousand, sixteen".