311477023 has 16 divisors (see below), whose sum is σ = 378554400. Its totient is φ = 252362880.

The previous prime is 311477011. The next prime is 311477027. The reversal of 311477023 is 320774113.

It is not a de Polignac number, because 311477023 - 2¹³ = 311468831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311476982 and 311477000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311477027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33408 + ... + 41701.

It is an arithmetic number, because the mean of its divisors is an integer number (23659650).

Almost surely, 2^311477023 is an apocalyptic number.

311477023 is a deficient number, since it is larger than the sum of its proper divisors (67077377).

311477023 is a wasteful number, since it uses less digits than its factorization.

311477023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75162.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 311477023 is about 17648.7116526958. The cubic root of 311477023 is about 677.8631182089.

The spelling of 311477023 in words is "three hundred eleven million, four hundred seventy-seven thousand, twenty-three".