234131231 has 8 divisors (see below), whose sum is σ = 238324224. Its totient is φ = 229975200.

The previous prime is 234131213. The next prime is 234131267. The reversal of 234131231 is 132131432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234131231 - 2¹⁴ = 234114847 is a prime.

It is a super-2 number, since 2×234131231² = 109634866659150722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234131201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 21953.

It is an arithmetic number, because the mean of its divisors is an integer number (29790528).

Almost surely, 2^234131231 is an apocalyptic number.

234131231 is a deficient number, since it is larger than the sum of its proper divisors (4192993).

234131231 is a wasteful number, since it uses less digits than its factorization.

234131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18481.

The product of its digits is 432, while the sum is 20.

The square root of 234131231 is about 15301.3473589746. The cubic root of 234131231 is about 616.3391893918.

Adding to 234131231 its reverse (132131432), we get a palindrome (366262663).

The spelling of 234131231 in words is "two hundred thirty-four million, one hundred thirty-one thousand, two hundred thirty-one".