30013431321131 has 2 divisors, whose sum is σ = 30013431321132. Its totient is φ = 30013431321130.

The previous prime is 30013431321091. The next prime is 30013431321143. The reversal of 30013431321131 is 13112313431003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30013431321131 - 2³⁸ = 29738553414187 is a prime.

It is a super-2 number, since 2×30013431321131² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30013431321131.

It is not a weakly prime, because it can be changed into another prime (30013431321331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006715660565 + 15006715660566.

It is an arithmetic number, because the mean of its divisors is an integer number (15006715660566).

Almost surely, 2^{30013431321131} is an apocalyptic number.

30013431321131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013431321131 is an equidigital number, since it uses as much as digits as its factorization.

30013431321131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 30013431321131 its reverse (13112313431003), we get a palindrome (43125744752134).

The spelling of 30013431321131 in words is "thirty trillion, thirteen billion, four hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty-one".