30131123132 has 12 divisors (see below), whose sum is σ = 57523053336. Its totient is φ = 13695965040.

The previous prime is 30131123107. The next prime is 30131123161. The reversal of 30131123132 is 23132113103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342399083 + ... + 342399170.

It is an arithmetic number, because the mean of its divisors is an integer number (4793587778).

Almost surely, 2^30131123132 is an apocalyptic number.

It is an amenable number.

30131123132 is a deficient number, since it is larger than the sum of its proper divisors (27391930204).

30131123132 is a wasteful number, since it uses less digits than its factorization.

30131123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684798268 (or 684798266 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30131123132 its reverse (23132113103), we get a palindrome (53263236235).

The spelling of 30131123132 in words is "thirty billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-two".