2125115031 has 16 divisors (see below), whose sum is σ = 3052709856. Its totient is φ = 1307222016.

The previous prime is 2125114973. The next prime is 2125115051. The reversal of 2125115031 is 1305115212.

It is not a de Polignac number, because 2125115031 - 2²⁷ = 1990897303 is a prime.

It is a super-2 number, since 2×2125115031² = 9032227789964261922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2125114989 and 2125115007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125115051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97471 + ... + 117263.

It is an arithmetic number, because the mean of its divisors is an integer number (190794366).

Almost surely, 2^2125115031 is an apocalyptic number.

2125115031 is a deficient number, since it is larger than the sum of its proper divisors (927594825).

2125115031 is a wasteful number, since it uses less digits than its factorization.

2125115031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22562.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 2125115031 is about 46098.9699559545. The cubic root of 2125115031 is about 1285.6639931139.

The spelling of 2125115031 in words is "two billion, one hundred twenty-five million, one hundred fifteen thousand, thirty-one".