2125434231 has 48 divisors (see below), whose sum is σ = 3327311520. Its totient is φ = 1302466560.

The previous prime is 2125434151. The next prime is 2125434239. The reversal of 2125434231 is 1324345212.

It is not a de Polignac number, because 2125434231 - 2¹⁸ = 2125172087 is a prime.

It is a super-2 number, since 2×2125434231² = 9034941340613122722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2125434195 and 2125434204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125434239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1560991 + ... + 1562351.

It is an arithmetic number, because the mean of its divisors is an integer number (69318990).

Almost surely, 2^2125434231 is an apocalyptic number.

2125434231 is a deficient number, since it is larger than the sum of its proper divisors (1201877289).

2125434231 is a wasteful number, since it uses less digits than its factorization.

2125434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1613 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2125434231 is about 46102.4319423607. The cubic root of 2125434231 is about 1285.7283603592.

Adding to 2125434231 its reverse (1324345212), we get a palindrome (3449779443).

The spelling of 2125434231 in words is "two billion, one hundred twenty-five million, four hundred thirty-four thousand, two hundred thirty-one".