311423404 has 24 divisors (see below), whose sum is σ = 569828448. Its totient is φ = 148642560.

The previous prime is 311423401. The next prime is 311423407. The reversal of 311423404 is 404324113.

It is an interprime number because it is at equal distance from previous prime (311423401) and next prime (311423407).

It is not an unprimeable number, because it can be changed into a prime (311423401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46644 + ... + 52900.

It is an arithmetic number, because the mean of its divisors is an integer number (23742852).

Almost surely, 2^311423404 is an apocalyptic number.

It is an amenable number.

311423404 is a deficient number, since it is larger than the sum of its proper divisors (258405044).

311423404 is a wasteful number, since it uses less digits than its factorization.

311423404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6825 (or 6823 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 311423404 is about 17647.1925245916. The cubic root of 311423404 is about 677.8242192152.

Adding to 311423404 its reverse (404324113), we get a palindrome (715747517).

The spelling of 311423404 in words is "three hundred eleven million, four hundred twenty-three thousand, four hundred four".