31618148812799 has 2 divisors, whose sum is σ = 31618148812800. Its totient is φ = 31618148812798.

The previous prime is 31618148812793. The next prime is 31618148812823. The reversal of 31618148812799 is 99721884181613.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31618148812799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31618148812793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15809074406399 + 15809074406400.

It is an arithmetic number, because the mean of its divisors is an integer number (15809074406400).

Almost surely, 2^{31618148812799} is an apocalyptic number.

31618148812799 is a deficient number, since it is larger than the sum of its proper divisors (1).

31618148812799 is an equidigital number, since it uses as much as digits as its factorization.

31618148812799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 68.

The spelling of 31618148812799 in words is "thirty-one trillion, six hundred eighteen billion, one hundred forty-eight million, eight hundred twelve thousand, seven hundred ninety-nine".