313049233 has 4 divisors (see below), whose sum is σ = 357770560. Its totient is φ = 268327908.

The previous prime is 313049207. The next prime is 313049257. The reversal of 313049233 is 332940313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332940313 = 191 ⋅1743143.

It is a cyclic number.

It is not a de Polignac number, because 313049233 - 2⁵ = 313049201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313049293) 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, 22360653 + ... + 22360666.

It is an arithmetic number, because the mean of its divisors is an integer number (89442640).

Almost surely, 2^313049233 is an apocalyptic number.

It is an amenable number.

313049233 is a deficient number, since it is larger than the sum of its proper divisors (44721327).

313049233 is an equidigital number, since it uses as much as digits as its factorization.

313049233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44721326.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 313049233 is about 17693.1973650892. The cubic root of 313049233 is about 679.0017308612.

Adding to 313049233 its reverse (332940313), we get a palindrome (645989546).

The spelling of 313049233 in words is "three hundred thirteen million, forty-nine thousand, two hundred thirty-three".