234431230131 has 48 divisors (see below), whose sum is σ = 404070400800. Its totient is φ = 133940169216.

The previous prime is 234431230129. The next prime is 234431230147. The reversal of 234431230131 is 131032134432.

It is a happy number.

234431230131 is a `hidden beast` number, since 2 + 3 + 44 + 312 + 301 + 3 + 1 = 666.

It is not a de Polignac number, because 234431230131 - 2¹ = 234431230129 is a prime.

It is a super-2 number, since 2×234431230131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 234431230095 and 234431230104.

It is not an unprimeable number, because it can be changed into a prime (234431230031) 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, 14398011 + ... + 14414283.

It is an arithmetic number, because the mean of its divisors is an integer number (8418133350).

Almost surely, 2^234431230131 is an apocalyptic number.

234431230131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

234431230131 is a deficient number, since it is larger than the sum of its proper divisors (169639170669).

234431230131 is a wasteful number, since it uses less digits than its factorization.

234431230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27185 (or 27172 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 234431230131 its reverse (131032134432), we get a palindrome (365463364563).

The spelling of 234431230131 in words is "two hundred thirty-four billion, four hundred thirty-one million, two hundred thirty thousand, one hundred thirty-one".