69231 has 8 divisors (see below), whose sum is σ = 94464. Its totient is φ = 45080.

The previous prime is 69221. The next prime is 69233. The reversal of 69231 is 13296.

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

It is a 3-Lehmer number, since φ(69231) divides (69231-1)³.

It is a cyclic number.

It is not a de Polignac number, because 69231 - 2¹⁰ = 68207 is a prime.

It is a super-2 number, since 2×69231² = 9585862722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69198 and 69207.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69231.

It is not an unprimeable number, because it can be changed into a prime (69233) 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, 105 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (11808).

2⁶⁹²³¹ is an apocalyptic number.

69231 is the 141-st nonagonal number.

69231 is a deficient number, since it is larger than the sum of its proper divisors (25233).

69231 is a wasteful number, since it uses less digits than its factorization.

69231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its digits is 324, while the sum is 21.

The square root of 69231 is about 263.1178443208. The cubic root of 69231 is about 41.0613794120.

It can be divided in two parts, 69 and 231, that added together give a triangular number (300 = T₂₄).

The spelling of 69231 in words is "sixty-nine thousand, two hundred thirty-one".