30031310131 has 2 divisors, whose sum is σ = 30031310132. Its totient is φ = 30031310130.

The previous prime is 30031310117. The next prime is 30031310173. The reversal of 30031310131 is 13101313003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30031310131 - 2¹⁵ = 30031277363 is a prime.

It is a super-2 number, since 2×30031310131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30031311131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015655065 + 15015655066.

It is an arithmetic number, because the mean of its divisors is an integer number (15015655066).

Almost surely, 2^30031310131 is an apocalyptic number.

30031310131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031310131 is an equidigital number, since it uses as much as digits as its factorization.

30031310131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30031310131 its reverse (13101313003), we get a palindrome (43132623134).

The spelling of 30031310131 in words is "thirty billion, thirty-one million, three hundred ten thousand, one hundred thirty-one".