310939805493 has 6 divisors (see below), whose sum is σ = 449135274614. Its totient is φ = 207293203656.

The previous prime is 310939805483. The next prime is 310939805503. The reversal of 310939805493 is 394508939013.

It is a happy number.

310939805493 is a `hidden beast` number, since 3 + 1 + 0 + 9 + 3 + 98 + 0 + 549 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (310939805483) and next prime (310939805503).

It can be written as a sum of positive squares in only one way, i.e., 207331783569 + 103608021924 = 455337^2 + 321882^2 .

It is not a de Polignac number, because 310939805493 - 2⁸ = 310939805237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310939805483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17274433630 + ... + 17274433647.

Almost surely, 2^310939805493 is an apocalyptic number.

It is an amenable number.

310939805493 is a deficient number, since it is larger than the sum of its proper divisors (138195469121).

310939805493 is a wasteful number, since it uses less digits than its factorization.

310939805493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34548867283 (or 34548867280 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 310939805493 in words is "three hundred ten billion, nine hundred thirty-nine million, eight hundred five thousand, four hundred ninety-three".