30031131132 has 48 divisors (see below), whose sum is σ = 78629392800. Its totient is φ = 9911260800.

The previous prime is 30031131107. The next prime is 30031131161. The reversal of 30031131132 is 23113113003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365657 + ... + 1387472.

It is an arithmetic number, because the mean of its divisors is an integer number (1638112350).

Almost surely, 2^30031131132 is an apocalyptic number.

It is an amenable number.

30031131132 is an abundant number, since it is smaller than the sum of its proper divisors (48598261668).

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

30031131132 is a wasteful number, since it uses less digits than its factorization.

30031131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753243 (or 2753235 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30031131132 its reverse (23113113003), we get a palindrome (53144244135).

The spelling of 30031131132 in words is "thirty billion, thirty-one million, one hundred thirty-one thousand, one hundred thirty-two".