313321120020101 has 4 divisors (see below), whose sum is σ = 316249354786752. Its totient is φ = 310392885253452.

The previous prime is 313321120020089. The next prime is 313321120020131. The reversal of 313321120020101 is 101020021123313.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 313321120020101 - 2¹⁸ = 313321119757957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313321120020131) 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, 1464117383165 + ... + 1464117383378.

It is an arithmetic number, because the mean of its divisors is an integer number (79062338696688).

Almost surely, 2^{313321120020101} is an apocalyptic number.

It is an amenable number.

313321120020101 is a deficient number, since it is larger than the sum of its proper divisors (2928234766651).

313321120020101 is a wasteful number, since it uses less digits than its factorization.

313321120020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928234766650.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313321120020101 its reverse (101020021123313), we get a palindrome (414341141143414).

The spelling of 313321120020101 in words is "three hundred thirteen trillion, three hundred twenty-one billion, one hundred twenty million, twenty thousand, one hundred one".