2201313231 has 12 divisors (see below), whose sum is σ = 3424265208. Its totient is φ = 1354654224.

The previous prime is 2201313227. The next prime is 2201313239. The reversal of 2201313231 is 1323131022.

It is not a de Polignac number, because 2201313231 - 2² = 2201313227 is a prime.

It is a super-2 number, since 2×2201313231² = 9691559881951318722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201313239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9407205 + ... + 9407438.

It is an arithmetic number, because the mean of its divisors is an integer number (285355434).

Almost surely, 2^2201313231 is an apocalyptic number.

2201313231 is a deficient number, since it is larger than the sum of its proper divisors (1222951977).

2201313231 is a wasteful number, since it uses less digits than its factorization.

2201313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18814662 (or 18814659 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2201313231 is about 46918.1545992593. The cubic root of 2201313231 is about 1300.8501797719.

Adding to 2201313231 its reverse (1323131022), we get a palindrome (3524444253).

The spelling of 2201313231 in words is "two billion, two hundred one million, three hundred thirteen thousand, two hundred thirty-one".