31427116026373 has 2 divisors, whose sum is σ = 31427116026374. Its totient is φ = 31427116026372.

The previous prime is 31427116026367. The next prime is 31427116026401. The reversal of 31427116026373 is 37362061172413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22899880885924 + 8527235140449 = 4785382^2 + 2920143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31427116026373 is a prime.

It is a super-2 number, since 2×31427116026373² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31427116026773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15713558013186 + 15713558013187.

It is an arithmetic number, because the mean of its divisors is an integer number (15713558013187).

Almost surely, 2^{31427116026373} is an apocalyptic number.

It is an amenable number.

31427116026373 is a deficient number, since it is larger than the sum of its proper divisors (1).

31427116026373 is an equidigital number, since it uses as much as digits as its factorization.

31427116026373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

Adding to 31427116026373 its reverse (37362061172413), we get a palindrome (68789177198786).

The spelling of 31427116026373 in words is "thirty-one trillion, four hundred twenty-seven billion, one hundred sixteen million, twenty-six thousand, three hundred seventy-three".