312404011 has 4 divisors (see below), whose sum is σ = 316683592. Its totient is φ = 308124432.

The previous prime is 312403967. The next prime is 312404021. The reversal of 312404011 is 110404213.

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 312404011 - 2⁹ = 312403499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312404021) 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, 2139681 + ... + 2139826.

It is an arithmetic number, because the mean of its divisors is an integer number (79170898).

Almost surely, 2^312404011 is an apocalyptic number.

312404011 is a deficient number, since it is larger than the sum of its proper divisors (4279581).

312404011 is an equidigital number, since it uses as much as digits as its factorization.

312404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279580.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 312404011 is about 17674.9543422324. The cubic root of 312404011 is about 678.5349159048.

Adding to 312404011 its reverse (110404213), we get a palindrome (422808224).

It can be divided in two parts, 31 and 2404011, that added together give a palindrome (2404042).

The spelling of 312404011 in words is "three hundred twelve million, four hundred four thousand, eleven".