361231 has 8 divisors (see below), whose sum is σ = 400064. Its totient is φ = 324000.

The previous prime is 361223. The next prime is 361237. The reversal of 361231 is 132163.

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

It is a 5-Lehmer number, since φ(361231) divides (361231-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 361231 - 2³ = 361223 is a prime.

It is a super-2 number, since 2×361231² = 260975670722, 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 (361237) 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, 106 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (50008).

2³⁶¹²³¹ is an apocalyptic number.

361231 is a deficient number, since it is larger than the sum of its proper divisors (38833).

361231 is a wasteful number, since it uses less digits than its factorization.

361231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 108, while the sum is 16.

The square root of 361231 is about 601.0249578844. The cubic root of 361231 is about 71.2188578379.

Adding to 361231 its reverse (132163), we get a palindrome (493394).

The spelling of 361231 in words is "three hundred sixty-one thousand, two hundred thirty-one".