2100231304 has 8 divisors (see below), whose sum is σ = 3937933710. Its totient is φ = 1050115648.

The previous prime is 2100231251. The next prime is 2100231311. The reversal of 2100231304 is 4031320012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1909515204 + 190716100 = 43698^2 + 13810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131264449 + ... + 131264464.

Almost surely, 2^2100231304 is an apocalyptic number.

It is an amenable number.

2100231304 is a deficient number, since it is larger than the sum of its proper divisors (1837702406).

2100231304 is a wasteful number, since it uses less digits than its factorization.

2100231304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262528919 (or 262528915 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100231304 is about 45828.2806136124. The cubic root of 2100231304 is about 1280.6261796238.

Adding to 2100231304 its reverse (4031320012), we get a palindrome (6131551316).

The spelling of 2100231304 in words is "two billion, one hundred million, two hundred thirty-one thousand, three hundred four".