2103200031 has 16 divisors (see below), whose sum is σ = 2905486560. Its totient is φ = 1351674240.

The previous prime is 2103200023. The next prime is 2103200051. The reversal of 2103200031 is 1300023012.

It is a happy number.

It is not a de Polignac number, because 2103200031 - 2³ = 2103200023 is a prime.

It is a super-2 number, since 2×2103200031² = 8846900740796801922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103200051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38301 + ... + 75321.

It is an arithmetic number, because the mean of its divisors is an integer number (181592910).

Almost surely, 2^2103200031 is an apocalyptic number.

2103200031 is a deficient number, since it is larger than the sum of its proper divisors (802286529).

2103200031 is a wasteful number, since it uses less digits than its factorization.

2103200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37706.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2103200031 is about 45860.6588592009. The cubic root of 2103200031 is about 1281.2292940822.

Adding to 2103200031 its reverse (1300023012), we get a palindrome (3403223043).

The spelling of 2103200031 in words is "two billion, one hundred three million, two hundred thousand, thirty-one".