31145501132 has 12 divisors (see below), whose sum is σ = 54506953200. Its totient is φ = 15572085936.

The previous prime is 31145501131. The next prime is 31145501161. The reversal of 31145501132 is 23110554113.

It is not an unprimeable number, because it can be changed into a prime (31145501131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52007 + ... + 254942.

It is an arithmetic number, because the mean of its divisors is an integer number (4542246100).

Almost surely, 2^31145501132 is an apocalyptic number.

It is an amenable number.

31145501132 is a deficient number, since it is larger than the sum of its proper divisors (23361452068).

31145501132 is a wasteful number, since it uses less digits than its factorization.

31145501132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332320 (or 332318 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 31145501132 in words is "thirty-one billion, one hundred forty-five million, five hundred one thousand, one hundred thirty-two".