312353240401 has 4 divisors (see below), whose sum is σ = 312357211812. Its totient is φ = 312349268992.

The previous prime is 312353240383. The next prime is 312353240443. The reversal of 312353240401 is 104042353213.

It is a happy number.

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 86871667600 + 225481572801 = 294740^2 + 474849^2 .

It is a cyclic number.

It is not a de Polignac number, because 312353240401 - 2¹⁹ = 312352716113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312353240401.

It is not an unprimeable number, because it can be changed into a prime (312353240201) 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, 1865296 + ... + 2025841.

It is an arithmetic number, because the mean of its divisors is an integer number (78089302953).

Almost surely, 2^312353240401 is an apocalyptic number.

It is an amenable number.

312353240401 is a deficient number, since it is larger than the sum of its proper divisors (3971411).

312353240401 is an equidigital number, since it uses as much as digits as its factorization.

312353240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971410.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 312353240401 its reverse (104042353213), we get a palindrome (416395593614).

The spelling of 312353240401 in words is "three hundred twelve billion, three hundred fifty-three million, two hundred forty thousand, four hundred one".