361431 has 12 divisors (see below), whose sum is σ = 596752. Its totient is φ = 206496.

The previous prime is 361421. The next prime is 361433. The reversal of 361431 is 134163.

It is not a de Polignac number, because 361431 - 2¹⁰ = 360407 is a prime.

It is a super-2 number, since 2×361431² = 261264735522, which contains 22 as substring.

It is a Duffinian number.

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 361431.

It is not an unprimeable number, because it can be changed into a prime (361433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2806 + ... + 2931.

2³⁶¹⁴³¹ is an apocalyptic number.

361431 is a deficient number, since it is larger than the sum of its proper divisors (235321).

361431 is a wasteful number, since it uses less digits than its factorization.

361431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750 (or 5747 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 361431 is about 601.1913173026. The cubic root of 361431 is about 71.2319991460.

Adding to 361431 its reverse (134163), we get a palindrome (495594).

The spelling of 361431 in words is "three hundred sixty-one thousand, four hundred thirty-one".