31523400463416 has 16 divisors (see below), whose sum is σ = 78808501158600. Its totient is φ = 10507800154464.

The previous prime is 31523400463409. The next prime is 31523400463421. The reversal of 31523400463416 is 61436400432513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656737509631 + ... + 656737509678.

Almost surely, 2^{31523400463416} is an apocalyptic number.

It is an amenable number.

31523400463416 is an abundant number, since it is smaller than the sum of its proper divisors (47285100695184).

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

31523400463416 is a wasteful number, since it uses less digits than its factorization.

31523400463416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313475019318 (or 1313475019314 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 31523400463416 its reverse (61436400432513), we get a palindrome (92959800895929).

The spelling of 31523400463416 in words is "thirty-one trillion, five hundred twenty-three billion, four hundred million, four hundred sixty-three thousand, four hundred sixteen".