313122021101 has 8 divisors (see below), whose sum is σ = 314334060480. Its totient is φ = 311910144832.

The previous prime is 313122021083. The next prime is 313122021181. The reversal of 313122021101 is 101120221313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313122021101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313122021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313122021181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008805 + ... + 5070933.

It is an arithmetic number, because the mean of its divisors is an integer number (39291757560).

Almost surely, 2^313122021101 is an apocalyptic number.

It is an amenable number.

313122021101 is a deficient number, since it is larger than the sum of its proper divisors (1212039379).

313122021101 is a wasteful number, since it uses less digits than its factorization.

313122021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81555.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 313122021101 its reverse (101120221313), we get a palindrome (414242242414).

The spelling of 313122021101 in words is "three hundred thirteen billion, one hundred twenty-two million, twenty-one thousand, one hundred one".