313111223030401 has 4 divisors (see below), whose sum is σ = 313111265390404. Its totient is φ = 313111180670400.

The previous prime is 313111223030381. The next prime is 313111223030407. The reversal of 313111223030401 is 104030322111313.

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 155644363014001 + 157466860016400 = 12475751^2 + 12548580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313111223030401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313111223030407) 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, 6869460 + ... + 25950181.

It is an arithmetic number, because the mean of its divisors is an integer number (78277816347601).

Almost surely, 2^{313111223030401} is an apocalyptic number.

It is an amenable number.

313111223030401 is a deficient number, since it is larger than the sum of its proper divisors (42360003).

313111223030401 is an equidigital number, since it uses as much as digits as its factorization.

313111223030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42360002.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 313111223030401 its reverse (104030322111313), we get a palindrome (417141545141714).

The spelling of 313111223030401 in words is "three hundred thirteen trillion, one hundred eleven billion, two hundred twenty-three million, thirty thousand, four hundred one".