313121002201401 has 4 divisors (see below), whose sum is σ = 417494669601872. Its totient is φ = 208747334800932.

The previous prime is 313121002201349. The next prime is 313121002201411. The reversal of 313121002201401 is 104102200121313.

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 313121002201401 - 2¹⁷ = 313121002070329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313121002201411) 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, 52186833700231 + ... + 52186833700236.

It is an arithmetic number, because the mean of its divisors is an integer number (104373667400468).

Almost surely, 2^{313121002201401} is an apocalyptic number.

It is an amenable number.

313121002201401 is a deficient number, since it is larger than the sum of its proper divisors (104373667400471).

313121002201401 is a wasteful number, since it uses less digits than its factorization.

313121002201401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104373667400470.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 313121002201401 its reverse (104102200121313), we get a palindrome (417223202322714).

The spelling of 313121002201401 in words is "three hundred thirteen trillion, one hundred twenty-one billion, two million, two hundred one thousand, four hundred one".