30331130131 has 16 divisors (see below), whose sum is σ = 31472271360. Its totient is φ = 29196512800.

The previous prime is 30331130129. The next prime is 30331130161. The reversal of 30331130131 is 13103113303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30331130131 - 2¹ = 30331130129 is a prime.

It is a super-2 number, since 2×30331130131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30331130099 and 30331130108.

It is not an unprimeable number, because it can be changed into a prime (30331130161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24799986 + ... + 24801208.

It is an arithmetic number, because the mean of its divisors is an integer number (1967016960).

Almost surely, 2^30331130131 is an apocalyptic number.

30331130131 is a deficient number, since it is larger than the sum of its proper divisors (1141141229).

30331130131 is a wasteful number, since it uses less digits than its factorization.

30331130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 30331130131 its reverse (13103113303), we get a palindrome (43434243434).

The spelling of 30331130131 in words is "thirty billion, three hundred thirty-one million, one hundred thirty thousand, one hundred thirty-one".