2123032131 has 96 divisors (see below), whose sum is σ = 3647255040. Its totient is φ = 1175731200.

The previous prime is 2123032123. The next prime is 2123032151. The reversal of 2123032131 is 1312303212.

It is not a de Polignac number, because 2123032131 - 2³ = 2123032123 is a prime.

It is a super-2 number, since 2×2123032131² = 9014530858516802322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123032151) 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 95 ways as a sum of consecutive naturals, for example, 13024656 + ... + 13024818.

It is an arithmetic number, because the mean of its divisors is an integer number (37992240).

Almost surely, 2^2123032131 is an apocalyptic number.

2123032131 is a deficient number, since it is larger than the sum of its proper divisors (1524222909).

2123032131 is a wasteful number, since it uses less digits than its factorization.

2123032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123032131 is about 46076.3728064612. The cubic root of 2123032131 is about 1285.2438143042.

Adding to 2123032131 its reverse (1312303212), we get a palindrome (3435335343).

It can be divided in two parts, 21230 and 32131, that added together give a square (53361 = 231²).

The spelling of 2123032131 in words is "two billion, one hundred twenty-three million, thirty-two thousand, one hundred thirty-one".