31364245399 has 2 divisors, whose sum is σ = 31364245400. Its totient is φ = 31364245398.

The previous prime is 31364245373. The next prime is 31364245447. The reversal of 31364245399 is 99354246313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31364245399 - 2¹³ = 31364237207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31364245349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15682122699 + 15682122700.

It is an arithmetic number, because the mean of its divisors is an integer number (15682122700).

Almost surely, 2^31364245399 is an apocalyptic number.

31364245399 is a deficient number, since it is larger than the sum of its proper divisors (1).

31364245399 is an equidigital number, since it uses as much as digits as its factorization.

31364245399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 49.

The spelling of 31364245399 in words is "thirty-one billion, three hundred sixty-four million, two hundred forty-five thousand, three hundred ninety-nine".