30130312131 has 12 divisors (see below), whose sum is σ = 43525410552. Its totient is φ = 20085098496.

The previous prime is 30130312127. The next prime is 30130312139. The reversal of 30130312131 is 13121303103.

It is a happy number.

It is not a de Polignac number, because 30130312131 - 2² = 30130312127 is a prime.

It is a super-2 number, since 2×30130312131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30130312139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36141 + ... + 248126.

It is an arithmetic number, because the mean of its divisors is an integer number (3627117546).

Almost surely, 2^30130312131 is an apocalyptic number.

30130312131 is a deficient number, since it is larger than the sum of its proper divisors (13395098421).

30130312131 is a wasteful number, since it uses less digits than its factorization.

30130312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296050 (or 296047 counting only the distinct ones).

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

Adding to 30130312131 its reverse (13121303103), we get a palindrome (43251615234).

The spelling of 30130312131 in words is "thirty billion, one hundred thirty million, three hundred twelve thousand, one hundred thirty-one".