31400316531663 has 32 divisors (see below), whose sum is σ = 45598277210112. Its totient is φ = 19143215616000.

The previous prime is 31400316531641. The next prime is 31400316531767. The reversal of 31400316531663 is 36613561300413.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31400316531663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400316531263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37063938 + ... + 37901663.

It is an arithmetic number, because the mean of its divisors is an integer number (1424946162816).

Almost surely, 2^{31400316531663} is an apocalyptic number.

31400316531663 is a deficient number, since it is larger than the sum of its proper divisors (14197960678449).

31400316531663 is a wasteful number, since it uses less digits than its factorization.

31400316531663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74965855.

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 31400316531663 in words is "thirty-one trillion, four hundred billion, three hundred sixteen million, five hundred thirty-one thousand, six hundred sixty-three".