2131304104 has 8 divisors (see below), whose sum is σ = 3996195210. Its totient is φ = 1065652048.

The previous prime is 2131304101. The next prime is 2131304113. The reversal of 2131304104 is 4014031312.

It can be written as a sum of positive squares in only one way, i.e., 1075184100 + 1056120004 = 32790^2 + 32498^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2131304101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133206499 + ... + 133206514.

Almost surely, 2^2131304104 is an apocalyptic number.

It is an amenable number.

2131304104 is a deficient number, since it is larger than the sum of its proper divisors (1864891106).

2131304104 is a wasteful number, since it uses less digits than its factorization.

2131304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266413019 (or 266413015 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2131304104 is about 46166.0492570027. The cubic root of 2131304104 is about 1286.9108834520.

Adding to 2131304104 its reverse (4014031312), we get a palindrome (6145335416).

The spelling of 2131304104 in words is "two billion, one hundred thirty-one million, three hundred four thousand, one hundred four".