2201020131 has 4 divisors (see below), whose sum is σ = 2934693512. Its totient is φ = 1467346752.

The previous prime is 2201020123. The next prime is 2201020169. The reversal of 2201020131 is 1310201022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2201020131 - 2³ = 2201020123 is a prime.

It is a super-2 number, since 2×2201020131² = 9688979234134514322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201020111) 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, 366836686 + ... + 366836691.

It is an arithmetic number, because the mean of its divisors is an integer number (733673378).

Almost surely, 2^2201020131 is an apocalyptic number.

2201020131 is a deficient number, since it is larger than the sum of its proper divisors (733673381).

2201020131 is an equidigital number, since it uses as much as digits as its factorization.

2201020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733673380.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2201020131 is about 46915.0309708946. The cubic root of 2201020131 is about 1300.7924420988.

Adding to 2201020131 its reverse (1310201022), we get a palindrome (3511221153).

The spelling of 2201020131 in words is "two billion, two hundred one million, twenty thousand, one hundred thirty-one".