31313424029 has 2 divisors, whose sum is σ = 31313424030. Its totient is φ = 31313424028.

The previous prime is 31313424007. The next prime is 31313424049. The reversal of 31313424029 is 92042431313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29944572025 + 1368852004 = 173045^2 + 36998^2 .

It is a cyclic number.

It is not a de Polignac number, because 31313424029 - 2³² = 27018456733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31313423986 and 31313424004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31313424049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656712014 + 15656712015.

It is an arithmetic number, because the mean of its divisors is an integer number (15656712015).

Almost surely, 2^31313424029 is an apocalyptic number.

It is an amenable number.

31313424029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31313424029 is an equidigital number, since it uses as much as digits as its factorization.

31313424029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 31313424029 in words is "thirty-one billion, three hundred thirteen million, four hundred twenty-four thousand, twenty-nine".