111312313373 has 2 divisors, whose sum is σ = 111312313374. Its totient is φ = 111312313372.

The previous prime is 111312313319. The next prime is 111312313429. The reversal of 111312313373 is 373313213111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99031684249 + 12280629124 = 314693^2 + 110818^2 .

It is a cyclic number.

It is not a de Polignac number, because 111312313373 - 2²⁶ = 111245204509 is a prime.

It is a super-2 number, since 2×111312313373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111312318373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656156686 + 55656156687.

It is an arithmetic number, because the mean of its divisors is an integer number (55656156687).

Almost surely, 2^111312313373 is an apocalyptic number.

It is an amenable number.

111312313373 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312313373 is an equidigital number, since it uses as much as digits as its factorization.

111312313373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 29.

Adding to 111312313373 its reverse (373313213111), we get a palindrome (484625526484).

The spelling of 111312313373 in words is "one hundred eleven billion, three hundred twelve million, three hundred thirteen thousand, three hundred seventy-three".