113031012313 has 2 divisors, whose sum is σ = 113031012314. Its totient is φ = 113031012312.

The previous prime is 113031012287. The next prime is 113031012323. The reversal of 113031012313 is 313210130311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111003581584 + 2027430729 = 333172^2 + 45027^2 .

It is a cyclic number.

It is not a de Polignac number, because 113031012313 - 2¹⁷ = 113030881241 is a prime.

It is not a weakly prime, because it can be changed into another prime (113031012323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56515506156 + 56515506157.

It is an arithmetic number, because the mean of its divisors is an integer number (56515506157).

Almost surely, 2^113031012313 is an apocalyptic number.

It is an amenable number.

113031012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

113031012313 is an equidigital number, since it uses as much as digits as its factorization.

113031012313 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 113031012313 its reverse (313210130311), we get a palindrome (426241142624).

The spelling of 113031012313 in words is "one hundred thirteen billion, thirty-one million, twelve thousand, three hundred thirteen".