311373716373 has 12 divisors (see below), whose sum is σ = 449844645900. Its totient is φ = 207544349376.

The previous prime is 311373716317. The next prime is 311373716377. The reversal of 311373716373 is 373617373113.

311373716373 is a `hidden beast` number, since 3 + 1 + 1 + 3 + 7 + 3 + 7 + 1 + 637 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 164720716164 + 146653000209 = 405858^2 + 382953^2 .

It is not a de Polignac number, because 311373716373 - 2⁶ = 311373716309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311373716377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3125586 + ... + 3223667.

It is an arithmetic number, because the mean of its divisors is an integer number (37487053825).

Almost surely, 2^311373716373 is an apocalyptic number.

It is an amenable number.

311373716373 is a deficient number, since it is larger than the sum of its proper divisors (138470929527).

311373716373 is a wasteful number, since it uses less digits than its factorization.

311373716373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354708 (or 6354705 counting only the distinct ones).

The product of its digits is 500094, while the sum is 45.

The spelling of 311373716373 in words is "three hundred eleven billion, three hundred seventy-three million, seven hundred sixteen thousand, three hundred seventy-three".