30031132312 has 32 divisors (see below), whose sum is σ = 56641939200. Its totient is φ = 14926745344.

The previous prime is 30031132303. The next prime is 30031132357. The reversal of 30031132312 is 21323113003.

It is a self number, because there is not a number n which added to its sum of digits gives 30031132312.

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, 2024073 + ... + 2038855.

It is an arithmetic number, because the mean of its divisors is an integer number (1770060600).

Almost surely, 2^30031132312 is an apocalyptic number.

It is an amenable number.

30031132312 is a deficient number, since it is larger than the sum of its proper divisors (26610806888).

30031132312 is a wasteful number, since it uses less digits than its factorization.

30031132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16275 (or 16271 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30031132312 its reverse (21323113003), we get a palindrome (51354245315).

The spelling of 30031132312 in words is "thirty billion, thirty-one million, one hundred thirty-two thousand, three hundred twelve".