2100431004 has 24 divisors (see below), whose sum is σ = 5601149568. Its totient is φ = 600123120.

The previous prime is 2100430999. The next prime is 2100431017. The reversal of 2100431004 is 4001340012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12502482 + ... + 12502649.

It is an arithmetic number, because the mean of its divisors is an integer number (233381232).

Almost surely, 2^2100431004 is an apocalyptic number.

It is an amenable number.

2100431004 is an abundant number, since it is smaller than the sum of its proper divisors (3500718564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100431004 is a wasteful number, since it uses less digits than its factorization.

2100431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005145 (or 25005143 counting only the distinct ones).

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

The square root of 2100431004 is about 45830.4593474689. The cubic root of 2100431004 is about 1280.6667676838. Note that the first 3 decimals are identical.

Adding to 2100431004 its reverse (4001340012), we get a palindrome (6101771016).

The spelling of 2100431004 in words is "two billion, one hundred million, four hundred thirty-one thousand, four".