312223313401 has 4 divisors (see below), whose sum is σ = 314028072612. Its totient is φ = 310418554192.

The previous prime is 312223313399. The next prime is 312223313407. The reversal of 312223313401 is 104313322213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181991826025 + 130231487376 = 426605^2 + 360876^2 .

It is a cyclic number.

It is not a de Polignac number, because 312223313401 - 2¹ = 312223313399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312223313407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902379346 + ... + 902379691.

It is an arithmetic number, because the mean of its divisors is an integer number (78507018153).

Almost surely, 2^312223313401 is an apocalyptic number.

It is an amenable number.

312223313401 is a deficient number, since it is larger than the sum of its proper divisors (1804759211).

312223313401 is a wasteful number, since it uses less digits than its factorization.

312223313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804759210.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 312223313401 its reverse (104313322213), we get a palindrome (416536635614).

The spelling of 312223313401 in words is "three hundred twelve billion, two hundred twenty-three million, three hundred thirteen thousand, four hundred one".