30321330131 has 2 divisors, whose sum is σ = 30321330132. Its totient is φ = 30321330130.

The previous prime is 30321329993. The next prime is 30321330187. The reversal of 30321330131 is 13103312303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30321330131 - 2³⁴ = 13141460947 is a prime.

It is a super-2 number, since 2×30321330131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30321330191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160665065 + 15160665066.

It is an arithmetic number, because the mean of its divisors is an integer number (15160665066).

Almost surely, 2^30321330131 is an apocalyptic number.

30321330131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321330131 is an equidigital number, since it uses as much as digits as its factorization.

30321330131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30321330131 its reverse (13103312303), we get a palindrome (43424642434).

The spelling of 30321330131 in words is "thirty billion, three hundred twenty-one million, three hundred thirty thousand, one hundred thirty-one".