31371310377 has 12 divisors (see below), whose sum is σ = 49433580144. Its totient is φ = 19012915320.

The previous prime is 31371310331. The next prime is 31371310393. The reversal of 31371310377 is 77301317313.

It is not a de Polignac number, because 31371310377 - 2¹⁰ = 31371309353 is a prime.

It is a super-2 number, since 2×31371310377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31371310307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158440863 + ... + 158441060.

It is an arithmetic number, because the mean of its divisors is an integer number (4119465012).

Almost surely, 2^31371310377 is an apocalyptic number.

It is an amenable number.

31371310377 is a deficient number, since it is larger than the sum of its proper divisors (18062269767).

31371310377 is a wasteful number, since it uses less digits than its factorization.

31371310377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316881940 (or 316881937 counting only the distinct ones).

The product of its (nonzero) digits is 27783, while the sum is 36.

The spelling of 31371310377 in words is "thirty-one billion, three hundred seventy-one million, three hundred ten thousand, three hundred seventy-seven".