231214331 has 8 divisors (see below), whose sum is σ = 255459744. Its totient is φ = 208151680.

The previous prime is 231214307. The next prime is 231214343. The reversal of 231214331 is 133412132.

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 231214331 - 2²⁶ = 164105467 is a prime.

It is a super-2 number, since 2×231214331² = 106920133719555122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231214381) 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, 295280 + ... + 296061.

It is an arithmetic number, because the mean of its divisors is an integer number (31932468).

Almost surely, 2^231214331 is an apocalyptic number.

231214331 is a deficient number, since it is larger than the sum of its proper divisors (24245413).

231214331 is a wasteful number, since it uses less digits than its factorization.

231214331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591381.

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

The square root of 231214331 is about 15205.7334910224. The cubic root of 231214331 is about 613.7689530582.

Adding to 231214331 its reverse (133412132), we get a palindrome (364626463).

The spelling of 231214331 in words is "two hundred thirty-one million, two hundred fourteen thousand, three hundred thirty-one".