312313233 has 4 divisors (see below), whose sum is σ = 416417648. Its totient is φ = 208208820.

The previous prime is 312313223. The next prime is 312313237. The reversal of 312313233 is 332313213.

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.

It is not a de Polignac number, because 312313233 - 2¹³ = 312305041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312313237) 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 3 ways as a sum of consecutive naturals, for example, 52052203 + ... + 52052208.

It is an arithmetic number, because the mean of its divisors is an integer number (104104412).

Almost surely, 2^312313233 is an apocalyptic number.

It is an amenable number.

312313233 is a deficient number, since it is larger than the sum of its proper divisors (104104415).

312313233 is a wasteful number, since it uses less digits than its factorization.

312313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104104414.

The product of its digits is 972, while the sum is 21.

The square root of 312313233 is about 17672.3861716521. The cubic root of 312313233 is about 678.4691869048.

Adding to 312313233 its reverse (332313213), we get a palindrome (644626446).

The spelling of 312313233 in words is "three hundred twelve million, three hundred thirteen thousand, two hundred thirty-three".