313220101 has 4 divisors (see below), whose sum is σ = 313574112. Its totient is φ = 312866092.

The previous prime is 313220099. The next prime is 313220123. The reversal of 313220101 is 101022313.

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 313220101 - 2¹ = 313220099 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 (313220161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175675 + ... + 177448.

It is an arithmetic number, because the mean of its divisors is an integer number (78393528).

Almost surely, 2^313220101 is an apocalyptic number.

It is an amenable number.

313220101 is a deficient number, since it is larger than the sum of its proper divisors (354011).

313220101 is an equidigital number, since it uses as much as digits as its factorization.

313220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354010.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 313220101 is about 17698.0253418284. The cubic root of 313220101 is about 679.1252455817.

Adding to 313220101 its reverse (101022313), we get a palindrome (414242414).

The spelling of 313220101 in words is "three hundred thirteen million, two hundred twenty thousand, one hundred one".