2200001031 has 24 divisors (see below), whose sum is σ = 3235215984. Its totient is φ = 1440391680.

The previous prime is 2200001021. The next prime is 2200001039. The reversal of 2200001031 is 1301000022.

It is a happy number.

It is not a de Polignac number, because 2200001031 - 2⁶ = 2200000967 is a prime.

It is a super-2 number, since 2×2200001031² = 9680009072802125922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200001039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104745 + ... + 123981.

It is an arithmetic number, because the mean of its divisors is an integer number (134800666).

Almost surely, 2^2200001031 is an apocalyptic number.

2200001031 is a deficient number, since it is larger than the sum of its proper divisors (1035214953).

2200001031 is a wasteful number, since it uses less digits than its factorization.

2200001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19471 (or 19468 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2200001031 is about 46904.1685887299. The cubic root of 2200001031 is about 1300.5916500195.

Adding to 2200001031 its reverse (1301000022), we get a palindrome (3501001053).

The spelling of 2200001031 in words is "two billion, two hundred million, one thousand, thirty-one".