313420011024121 has 4 divisors (see below), whose sum is σ = 331856482260852. Its totient is φ = 294983539787392.

The previous prime is 313420011024079. The next prime is 313420011024143. The reversal of 313420011024121 is 121420110024313.

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 141289809398521 + 172130201625600 = 11886539^2 + 13119840^2 .

It is a cyclic number.

It is not a de Polignac number, because 313420011024121 - 2¹³ = 313420011015929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313420011021121) 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, 9218235618340 + ... + 9218235618373.

It is an arithmetic number, because the mean of its divisors is an integer number (82964120565213).

Almost surely, 2^{313420011024121} is an apocalyptic number.

It is an amenable number.

313420011024121 is a deficient number, since it is larger than the sum of its proper divisors (18436471236731).

313420011024121 is a wasteful number, since it uses less digits than its factorization.

313420011024121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18436471236730.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 313420011024121 its reverse (121420110024313), we get a palindrome (434840121048434).

The spelling of 313420011024121 in words is "three hundred thirteen trillion, four hundred twenty billion, eleven million, twenty-four thousand, one hundred twenty-one".