2100022431 has 16 divisors (see below), whose sum is σ = 3096916704. Its totient is φ = 1257393024.

The previous prime is 2100022403. The next prime is 2100022471. The reversal of 2100022431 is 1342200012.

It is not a de Polignac number, because 2100022431 - 2¹³ = 2100014239 is a prime.

It is a super-2 number, since 2×2100022431² = 8820188421406299522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100022431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100022471) 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, 726216 + ... + 729101.

It is an arithmetic number, because the mean of its divisors is an integer number (193557294).

Almost surely, 2^2100022431 is an apocalyptic number.

2100022431 is a deficient number, since it is larger than the sum of its proper divisors (996894273).

2100022431 is a wasteful number, since it uses less digits than its factorization.

2100022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455370.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2100022431 is about 45826.0016911796. The cubic root of 2100022431 is about 1280.5837244429.

Adding to 2100022431 its reverse (1342200012), we get a palindrome (3442222443).

The spelling of 2100022431 in words is "two billion, one hundred million, twenty-two thousand, four hundred thirty-one".