30112231131 has 6 divisors (see below), whose sum is σ = 43495444980. Its totient is φ = 20074820748.

The previous prime is 30112231129. The next prime is 30112231153. The reversal of 30112231131 is 13113221103.

30112231131 is a `hidden beast` number, since 301 + 1 + 2 + 231 + 131 = 666.

It is not a de Polignac number, because 30112231131 - 2¹ = 30112231129 is a prime.

It is a super-2 number, since 2×30112231131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30112231031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1672901721 + ... + 1672901738.

It is an arithmetic number, because the mean of its divisors is an integer number (7249240830).

Almost surely, 2^30112231131 is an apocalyptic number.

30112231131 is a deficient number, since it is larger than the sum of its proper divisors (13383213849).

30112231131 is a wasteful number, since it uses less digits than its factorization.

30112231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345803465 (or 3345803462 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30112231131 its reverse (13113221103), we get a palindrome (43225452234).

The spelling of 30112231131 in words is "thirty billion, one hundred twelve million, two hundred thirty-one thousand, one hundred thirty-one".