13012331113 has 2 divisors, whose sum is σ = 13012331114. Its totient is φ = 13012331112.

The previous prime is 13012331077. The next prime is 13012331119. The reversal of 13012331113 is 31113321031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10090604304 + 2921726809 = 100452^2 + 54053^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012331113 - 2²¹ = 13010233961 is a prime.

It is not a weakly prime, because it can be changed into another prime (13012331119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506165556 + 6506165557.

It is an arithmetic number, because the mean of its divisors is an integer number (6506165557).

Almost surely, 2^13012331113 is an apocalyptic number.

It is an amenable number.

13012331113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012331113 is an equidigital number, since it uses as much as digits as its factorization.

13012331113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13012331113 its reverse (31113321031), we get a palindrome (44125652144).

The spelling of 13012331113 in words is "thirteen billion, twelve million, three hundred thirty-one thousand, one hundred thirteen".