312233313 has 16 divisors (see below), whose sum is σ = 476558336. Its totient is φ = 178128720.

The previous prime is 312233309. The next prime is 312233371. The reversal of 312233313 is 313332213.

It is not a de Polignac number, because 312233313 - 2² = 312233309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312233313.

It is not an unprimeable number, because it can be changed into a prime (312233113) 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, 1470 + ... + 25032.

It is an arithmetic number, because the mean of its divisors is an integer number (29784896).

Almost surely, 2^312233313 is an apocalyptic number.

It is an amenable number.

312233313 is a deficient number, since it is larger than the sum of its proper divisors (164325023).

312233313 is a wasteful number, since it uses less digits than its factorization.

312233313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24204.

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

The square root of 312233313 is about 17670.1248722243. The cubic root of 312233313 is about 678.4113092384.

Adding to 312233313 its reverse (313332213), we get a palindrome (625565526).

The spelling of 312233313 in words is "three hundred twelve million, two hundred thirty-three thousand, three hundred thirteen".