312404313 has 32 divisors (see below), whose sum is σ = 459406080. Its totient is φ = 187649280.

The previous prime is 312404299. The next prime is 312404321. The reversal of 312404313 is 313404213.

It is not a de Polignac number, because 312404313 - 2¹³ = 312396121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312404313.

It is not an unprimeable number, because it can be changed into a prime (312404383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741843 + ... + 742263.

It is an arithmetic number, because the mean of its divisors is an integer number (14356440).

Almost surely, 2^312404313 is an apocalyptic number.

It is an amenable number.

312404313 is a deficient number, since it is larger than the sum of its proper divisors (147001767).

312404313 is a wasteful number, since it uses less digits than its factorization.

312404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 312404313 is about 17674.9628853924. The cubic root of 312404313 is about 678.5351345506.

Adding to 312404313 its reverse (313404213), we get a palindrome (625808526).

It can be divided in two parts, 31240 and 4313, that added together give a palindrome (35553).

The spelling of 312404313 in words is "three hundred twelve million, four hundred four thousand, three hundred thirteen".