2100412031 has 4 divisors (see below), whose sum is σ = 2107254072. Its totient is φ = 2093569992.

The previous prime is 2100412009. The next prime is 2100412063. The reversal of 2100412031 is 1302140012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100412031 - 2¹⁰ = 2100411007 is a prime.

It is a super-2 number, since 2×2100412031² = 8823461399939089922, 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 = 2100411997 and 2100412015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100412231) 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, 3420560 + ... + 3421173.

It is an arithmetic number, because the mean of its divisors is an integer number (526813518).

Almost surely, 2^2100412031 is an apocalyptic number.

2100412031 is a deficient number, since it is larger than the sum of its proper divisors (6842041).

2100412031 is an equidigital number, since it uses as much as digits as its factorization.

2100412031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842040.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2100412031 is about 45830.2523558402. The cubic root of 2100412031 is about 1280.6629116239.

Adding to 2100412031 its reverse (1302140012), we get a palindrome (3402552043).

The spelling of 2100412031 in words is "two billion, one hundred million, four hundred twelve thousand, thirty-one".