113031021231013 has 2 divisors, whose sum is σ = 113031021231014. Its totient is φ = 113031021231012.

The previous prime is 113031021230969. The next prime is 113031021231019. The reversal of 113031021231013 is 310132120130311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112776902404609 + 254118826404 = 10619647^2 + 504102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113031021231013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113031021231019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56515510615506 + 56515510615507.

It is an arithmetic number, because the mean of its divisors is an integer number (56515510615507).

Almost surely, 2^{113031021231013} is an apocalyptic number.

It is an amenable number.

113031021231013 is a deficient number, since it is larger than the sum of its proper divisors (1).

113031021231013 is an equidigital number, since it uses as much as digits as its factorization.

113031021231013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 113031021231013 its reverse (310132120130311), we get a palindrome (423163141361324).

The spelling of 113031021231013 in words is "one hundred thirteen trillion, thirty-one billion, twenty-one million, two hundred thirty-one thousand, thirteen".