312442401 has 16 divisors (see below), whose sum is σ = 422263296. Its totient is φ = 205476096.

The previous prime is 312442391. The next prime is 312442457. The reversal of 312442401 is 104244213.

It is not a de Polignac number, because 312442401 - 2⁵ = 312442369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312442901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73531 + ... + 77663.

It is an arithmetic number, because the mean of its divisors is an integer number (26391456).

Almost surely, 2^312442401 is an apocalyptic number.

It is an amenable number.

312442401 is a deficient number, since it is larger than the sum of its proper divisors (109820895).

312442401 is a wasteful number, since it uses less digits than its factorization.

312442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 312442401 is about 17676.0403088475. The cubic root of 312442401 is about 678.5627088562.

Adding to 312442401 its reverse (104244213), we get a palindrome (416686614).

The spelling of 312442401 in words is "three hundred twelve million, four hundred forty-two thousand, four hundred one".