234232131 has 16 divisors (see below), whose sum is σ = 362778368. Its totient is φ = 131652000.

The previous prime is 234232127. The next prime is 234232153. The reversal of 234232131 is 131232432.

It is not a de Polignac number, because 234232131 - 2² = 234232127 is a prime.

It is a super-2 number, since 2×234232131² = 109729382385602322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234232098 and 234232107.

It is not an unprimeable number, because it can be changed into a prime (234232181) 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, 90145 + ... + 92706.

It is an arithmetic number, because the mean of its divisors is an integer number (22673648).

Almost surely, 2^234232131 is an apocalyptic number.

234232131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234232131 is a deficient number, since it is larger than the sum of its proper divisors (128546237).

234232131 is a wasteful number, since it uses less digits than its factorization.

234232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182922.

The product of its digits is 864, while the sum is 21.

The square root of 234232131 is about 15304.6440990962. The cubic root of 234232131 is about 616.4277148064.

Adding to 234232131 its reverse (131232432), we get a palindrome (365464563).

The spelling of 234232131 in words is "two hundred thirty-four million, two hundred thirty-two thousand, one hundred thirty-one".