2100244431 has 16 divisors (see below), whose sum is σ = 2877513824. Its totient is φ = 1361608704.

The previous prime is 2100244427. The next prime is 2100244463. The reversal of 2100244431 is 1344420012.

It is not a de Polignac number, because 2100244431 - 2² = 2100244427 is a prime.

It is a super-2 number, since 2×2100244431² = 8822053339893027522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100244398 and 2100244407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100244831) 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, 284175 + ... + 291471.

It is an arithmetic number, because the mean of its divisors is an integer number (179844614).

Almost surely, 2^2100244431 is an apocalyptic number.

2100244431 is a deficient number, since it is larger than the sum of its proper divisors (777269393).

2100244431 is a wasteful number, since it uses less digits than its factorization.

2100244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2100244431 is about 45828.4238328136. The cubic root of 2100244431 is about 1280.6288477021.

Adding to 2100244431 its reverse (1344420012), we get a palindrome (3444664443).

The spelling of 2100244431 in words is "two billion, one hundred million, two hundred forty-four thousand, four hundred thirty-one".