313291023 has 4 divisors (see below), whose sum is σ = 417721368. Its totient is φ = 208860680.

The previous prime is 313291021. The next prime is 313291037. The reversal of 313291023 is 320192313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313291023 - 2¹ = 313291021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313290984 and 313291002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313291021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52215168 + ... + 52215173.

It is an arithmetic number, because the mean of its divisors is an integer number (104430342).

Almost surely, 2^313291023 is an apocalyptic number.

313291023 is a deficient number, since it is larger than the sum of its proper divisors (104430345).

313291023 is a wasteful number, since it uses less digits than its factorization.

313291023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104430344.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 313291023 is about 17700.0288982815. The cubic root of 313291023 is about 679.1764995143.

The spelling of 313291023 in words is "three hundred thirteen million, two hundred ninety-one thousand, twenty-three".