313111122020101 has 8 divisors (see below), whose sum is σ = 313354374833304. Its totient is φ = 312867873177600.

The previous prime is 313111122020093. The next prime is 313111122020107. The reversal of 313111122020101 is 101020221111313.

It can be written as a sum of positive squares in 4 ways, for example, as 91600021224100 + 221511100796001 = 9570790^2 + 14883249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313111122020101 - 2³ = 313111122020093 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 (313111122020107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167933565 + ... + 169787821.

It is an arithmetic number, because the mean of its divisors is an integer number (39169296854163).

Almost surely, 2^{313111122020101} is an apocalyptic number.

It is an amenable number.

313111122020101 is a deficient number, since it is larger than the sum of its proper divisors (243252813203).

313111122020101 is a wasteful number, since it uses less digits than its factorization.

313111122020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985351.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 313111122020101 its reverse (101020221111313), we get a palindrome (414131343131414).

The spelling of 313111122020101 in words is "three hundred thirteen trillion, one hundred eleven billion, one hundred twenty-two million, twenty thousand, one hundred one".