312404113430443 has 12 divisors (see below), whose sum is σ = 338622950845200. Its totient is φ = 287962824316176.

The previous prime is 312404113430401. The next prime is 312404113430447. The reversal of 312404113430443 is 344034311404213.

It is not a de Polignac number, because 312404113430443 - 2¹³ = 312404113422251 is a prime.

It is a super-2 number, since 2×312404113430443² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (312404113430447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11694383343 + ... + 11694410056.

It is an arithmetic number, because the mean of its divisors is an integer number (28218579237100).

Almost surely, 2^{312404113430443} is an apocalyptic number.

312404113430443 is a deficient number, since it is larger than the sum of its proper divisors (26218837414757).

312404113430443 is a wasteful number, since it uses less digits than its factorization.

312404113430443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23388793474 (or 23388793455 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 312404113430443 its reverse (344034311404213), we get a palindrome (656438424834656).

The spelling of 312404113430443 in words is "three hundred twelve trillion, four hundred four billion, one hundred thirteen million, four hundred thirty thousand, four hundred forty-three".