311426793 has 6 divisors (see below), whose sum is σ = 449838714. Its totient is φ = 207617856.

The previous prime is 311426789. The next prime is 311426807. The reversal of 311426793 is 397624113.

It can be written as a sum of positive squares in only one way, i.e., 186814224 + 124612569 = 13668^2 + 11163^2 .

It is not a de Polignac number, because 311426793 - 2² = 311426789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311426293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17301480 + ... + 17301497.

It is an arithmetic number, because the mean of its divisors is an integer number (74973119).

Almost surely, 2^311426793 is an apocalyptic number.

It is an amenable number.

311426793 is a deficient number, since it is larger than the sum of its proper divisors (138411921).

311426793 is a wasteful number, since it uses less digits than its factorization.

311426793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34602983 (or 34602980 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 311426793 is about 17647.2885452695. The cubic root of 311426793 is about 677.8266779663.

The spelling of 311426793 in words is "three hundred eleven million, four hundred twenty-six thousand, seven hundred ninety-three".