31030232322113 has 2 divisors, whose sum is σ = 31030232322114. Its totient is φ = 31030232322112.

The previous prime is 31030232322083. The next prime is 31030232322137. The reversal of 31030232322113 is 31122323203013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30210061191424 + 820171130689 = 5496368^2 + 905633^2 .

It is a cyclic number.

It is not a de Polignac number, because 31030232322113 - 2⁶ = 31030232322049 is a prime.

It is not a weakly prime, because it can be changed into another prime (31030232322163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515116161056 + 15515116161057.

It is an arithmetic number, because the mean of its divisors is an integer number (15515116161057).

Almost surely, 2^{31030232322113} is an apocalyptic number.

It is an amenable number.

31030232322113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030232322113 is an equidigital number, since it uses as much as digits as its factorization.

31030232322113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31030232322113 its reverse (31122323203013), we get a palindrome (62152555525126).

The spelling of 31030232322113 in words is "thirty-one trillion, thirty billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred thirteen".