31014402113 has 2 divisors, whose sum is σ = 31014402114. Its totient is φ = 31014402112.

The previous prime is 31014402109. The next prime is 31014402119. The reversal of 31014402113 is 31120441013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18819175489 + 12195226624 = 137183^2 + 110432^2 .

It is a cyclic number.

It is not a de Polignac number, because 31014402113 - 2² = 31014402109 is a prime.

It is a super-3 number, since 3×31014402113³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (31014402119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507201056 + 15507201057.

It is an arithmetic number, because the mean of its divisors is an integer number (15507201057).

Almost surely, 2^31014402113 is an apocalyptic number.

It is an amenable number.

31014402113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014402113 is an equidigital number, since it uses as much as digits as its factorization.

31014402113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31014402113 its reverse (31120441013), we get a palindrome (62134843126).

The spelling of 31014402113 in words is "thirty-one billion, fourteen million, four hundred two thousand, one hundred thirteen".