31532165313532 has 24 divisors (see below), whose sum is σ = 62009743160736. Its totient is φ = 13920554586048.

The previous prime is 31532165313503. The next prime is 31532165313547. The reversal of 31532165313532 is 23531356123513.

It is a happy number.

It is a super-2 number, since 2×31532165313532² (a number of 28 digits) contains 22 as substring.

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, 13182342163 + ... + 13182344554.

It is an arithmetic number, because the mean of its divisors is an integer number (2583739298364).

Almost surely, 2^{31532165313532} is an apocalyptic number.

It is an amenable number.

31532165313532 is a deficient number, since it is larger than the sum of its proper divisors (30477577847204).

31532165313532 is a wasteful number, since it uses less digits than its factorization.

31532165313532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364686757 (or 26364686755 counting only the distinct ones).

The product of its digits is 729000, while the sum is 43.

The spelling of 31532165313532 in words is "thirty-one trillion, five hundred thirty-two billion, one hundred sixty-five million, three hundred thirteen thousand, five hundred thirty-two".