31367322677 has 2 divisors, whose sum is σ = 31367322678. Its totient is φ = 31367322676.

The previous prime is 31367322671. The next prime is 31367322719. The reversal of 31367322677 is 77622376313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28094452996 + 3272869681 = 167614^2 + 57209^2 .

It is a cyclic number.

It is not a de Polignac number, because 31367322677 - 2¹⁴ = 31367306293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31367322671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15683661338 + 15683661339.

It is an arithmetic number, because the mean of its divisors is an integer number (15683661339).

Almost surely, 2^31367322677 is an apocalyptic number.

It is an amenable number.

31367322677 is a deficient number, since it is larger than the sum of its proper divisors (1).

31367322677 is an equidigital number, since it uses as much as digits as its factorization.

31367322677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 47.

The spelling of 31367322677 in words is "thirty-one billion, three hundred sixty-seven million, three hundred twenty-two thousand, six hundred seventy-seven".