312311426 has 16 divisors (see below), whose sum is σ = 544466880. Its totient is φ = 131578800.

The previous prime is 312311401. The next prime is 312311431. The reversal of 312311426 is 624113213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188225 + ... + 189876.

It is an arithmetic number, because the mean of its divisors is an integer number (34029180).

Almost surely, 2^312311426 is an apocalyptic number.

312311426 is a deficient number, since it is larger than the sum of its proper divisors (232155454).

312311426 is a wasteful number, since it uses less digits than its factorization.

312311426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378169.

The product of its digits is 864, while the sum is 23.

The square root of 312311426 is about 17672.3350466202. The cubic root of 312311426 is about 678.4678783935.

Adding to 312311426 its reverse (624113213), we get a palindrome (936424639).

The spelling of 312311426 in words is "three hundred twelve million, three hundred eleven thousand, four hundred twenty-six".