31376055629 has 2 divisors, whose sum is σ = 31376055630. Its totient is φ = 31376055628.

The previous prime is 31376055553. The next prime is 31376055647. The reversal of 31376055629 is 92655067313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27703938025 + 3672117604 = 166445^2 + 60598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31376055629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31376055649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15688027814 + 15688027815.

It is an arithmetic number, because the mean of its divisors is an integer number (15688027815).

Almost surely, 2^31376055629 is an apocalyptic number.

It is an amenable number.

31376055629 is a deficient number, since it is larger than the sum of its proper divisors (1).

31376055629 is an equidigital number, since it uses as much as digits as its factorization.

31376055629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 31376055629 in words is "thirty-one billion, three hundred seventy-six million, fifty-five thousand, six hundred twenty-nine".