2112250131 has 18 divisors (see below), whose sum is σ = 3152635980. Its totient is φ = 1362736440.

The previous prime is 2112250123. The next prime is 2112250163. The reversal of 2112250131 is 1310522112.

It is not a de Polignac number, because 2112250131 - 2³ = 2112250123 is a prime.

It is a super-2 number, since 2×2112250131² = 8923201231819034322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112250031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113461 + ... + 130758.

Almost surely, 2^2112250131 is an apocalyptic number.

2112250131 is a deficient number, since it is larger than the sum of its proper divisors (1040385849).

2112250131 is a wasteful number, since it uses less digits than its factorization.

2112250131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244287 (or 244253 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2112250131 is about 45959.2224803684. Note that the first 3 decimals coincide. The cubic root of 2112250131 is about 1283.0643804894.

Adding to 2112250131 its reverse (1310522112), we get a palindrome (3422772243).

It can be divided in two parts, 21122 and 50131, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 2112250131 in words is "two billion, one hundred twelve million, two hundred fifty thousand, one hundred thirty-one".