30131321413 has 2 divisors, whose sum is σ = 30131321414. Its totient is φ = 30131321412.

The previous prime is 30131321411. The next prime is 30131321449. The reversal of 30131321413 is 31412313103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26727999169 + 3403322244 = 163487^2 + 58338^2 .

It is a cyclic number.

It is not a de Polignac number, because 30131321413 - 2¹ = 30131321411 is a prime.

Together with 30131321411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30131321411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065660706 + 15065660707.

It is an arithmetic number, because the mean of its divisors is an integer number (15065660707).

Almost surely, 2^30131321413 is an apocalyptic number.

It is an amenable number.

30131321413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30131321413 is an equidigital number, since it uses as much as digits as its factorization.

30131321413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30131321413 its reverse (31412313103), we get a palindrome (61543634516).

The spelling of 30131321413 in words is "thirty billion, one hundred thirty-one million, three hundred twenty-one thousand, four hundred thirteen".