312403221411 has 32 divisors (see below), whose sum is σ = 460706185728. Its totient is φ = 187295285760.

The previous prime is 312403221391. The next prime is 312403221421. The reversal of 312403221411 is 114122304213.

It is not a de Polignac number, because 312403221411 - 2⁵ = 312403221379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312403221421) 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, 962280 + ... + 1245306.

It is an arithmetic number, because the mean of its divisors is an integer number (14397068304).

Almost surely, 2^312403221411 is an apocalyptic number.

312403221411 is a deficient number, since it is larger than the sum of its proper divisors (148302964317).

312403221411 is a wasteful number, since it uses less digits than its factorization.

312403221411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284011.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 312403221411 its reverse (114122304213), we get a palindrome (426525525624).

The spelling of 312403221411 in words is "three hundred twelve billion, four hundred three million, two hundred twenty-one thousand, four hundred eleven".