313511023 has 16 divisors (see below), whose sum is σ = 364771584. Its totient is φ = 263894400.

The previous prime is 313510997. The next prime is 313511047. The reversal of 313511023 is 320115313.

It is not a de Polignac number, because 313511023 - 2¹⁷ = 313379951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313511423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187236 + ... + 188902.

It is an arithmetic number, because the mean of its divisors is an integer number (22798224).

Almost surely, 2^313511023 is an apocalyptic number.

313511023 is a deficient number, since it is larger than the sum of its proper divisors (51260561).

313511023 is a wasteful number, since it uses less digits than its factorization.

313511023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 313511023 is about 17706.2424867616. The cubic root of 313511023 is about 679.3354399855.

Adding to 313511023 its reverse (320115313), we get a palindrome (633626336).

The spelling of 313511023 in words is "three hundred thirteen million, five hundred eleven thousand, twenty-three".