31263553163132 has 24 divisors (see below), whose sum is σ = 55482142205952. Its totient is φ = 15411515260400.

The previous prime is 31263553163107. The next prime is 31263553163149. The reversal of 31263553163132 is 23136135536213.

It is a congruent number.

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, 74363957 + ... + 74783187.

It is an arithmetic number, because the mean of its divisors is an integer number (2311755925248).

Almost surely, 2^{31263553163132} is an apocalyptic number.

It is an amenable number.

31263553163132 is a deficient number, since it is larger than the sum of its proper divisors (24218589042820).

31263553163132 is a wasteful number, since it uses less digits than its factorization.

31263553163132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681889 (or 681887 counting only the distinct ones).

The product of its digits is 874800, while the sum is 44.

Adding to 31263553163132 its reverse (23136135536213), we get a palindrome (54399688699345).

The spelling of 31263553163132 in words is "thirty-one trillion, two hundred sixty-three billion, five hundred fifty-three million, one hundred sixty-three thousand, one hundred thirty-two".