313113123213001 has 4 divisors (see below), whose sum is σ = 313237325168404. Its totient is φ = 312988921257600.

The previous prime is 313113123212999. The next prime is 313113123213013. The reversal of 313113123213001 is 100312321311313.

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 52679725286400 + 260433397926601 = 7258080^2 + 16137949^2 .

It is a cyclic number.

It is not a de Polignac number, because 313113123213001 - 2¹ = 313113123212999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313113123213901) 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, 62100973920 + ... + 62100978961.

It is an arithmetic number, because the mean of its divisors is an integer number (78309331292101).

Almost surely, 2^{313113123213001} is an apocalyptic number.

It is an amenable number.

313113123213001 is a deficient number, since it is larger than the sum of its proper divisors (124201955403).

313113123213001 is a wasteful number, since it uses less digits than its factorization.

313113123213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124201955402.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 313113123213001 its reverse (100312321311313), we get a palindrome (413425444524314).

The spelling of 313113123213001 in words is "three hundred thirteen trillion, one hundred thirteen billion, one hundred twenty-three million, two hundred thirteen thousand, one".