312534223401 has 4 divisors (see below), whose sum is σ = 416712297872. Its totient is φ = 208356148932.

The previous prime is 312534223387. The next prime is 312534223403. The reversal of 312534223401 is 104322435213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 312534223401 - 2⁷ = 312534223273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312534223403) 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, 52089037231 + ... + 52089037236.

It is an arithmetic number, because the mean of its divisors is an integer number (104178074468).

Almost surely, 2^312534223401 is an apocalyptic number.

It is an amenable number.

312534223401 is a deficient number, since it is larger than the sum of its proper divisors (104178074471).

312534223401 is a wasteful number, since it uses less digits than its factorization.

312534223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104178074470.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 312534223401 its reverse (104322435213), we get a palindrome (416856658614).

The spelling of 312534223401 in words is "three hundred twelve billion, five hundred thirty-four million, two hundred twenty-three thousand, four hundred one".