2102131330 has 16 divisors (see below), whose sum is σ = 4074900984. Its totient is φ = 776171520.

The previous prime is 2102131327. The next prime is 2102131331. The reversal of 2102131330 is 331312012.

It can be written as a sum of positive squares in 4 ways, for example, as 1559381121 + 542750209 = 39489^2 + 23297^2 .

It is a super-2 number, since 2×2102131330² = 8837912257135137800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102131331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8084991 + ... + 8085250.

Almost surely, 2^2102131330 is an apocalyptic number.

2102131330 is a deficient number, since it is larger than the sum of its proper divisors (1972769654).

2102131330 is a wasteful number, since it uses less digits than its factorization.

2102131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170261.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2102131330 is about 45849.0057689368. The cubic root of 2102131330 is about 1281.0122465685.

Adding to 2102131330 its reverse (331312012), we get a palindrome (2433443342).

The spelling of 2102131330 in words is "two billion, one hundred two million, one hundred thirty-one thousand, three hundred thirty".