2112131330 has 16 divisors (see below), whose sum is σ = 3807350784. Its totient is φ = 843627120.

The previous prime is 2112131327. The next prime is 2112131353. The reversal of 2112131330 is 331312112.

It is a super-2 number, since 2×2112131330² = 8922197510335137800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2112131299 and 2112131308.

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, 145922 + ... + 159741.

It is an arithmetic number, because the mean of its divisors is an integer number (237959424).

Almost surely, 2^2112131330 is an apocalyptic number.

2112131330 is a deficient number, since it is larger than the sum of its proper divisors (1695219454).

2112131330 is a wasteful number, since it uses less digits than its factorization.

2112131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306361.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2112131330 is about 45957.9300012522. The cubic root of 2112131330 is about 1283.0403252277.

Adding to 2112131330 its reverse (331312112), we get a palindrome (2443443442).

The spelling of 2112131330 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, three hundred thirty".