363431 has 2 divisors, whose sum is σ = 363432. Its totient is φ = 363430.

The previous prime is 363403. The next prime is 363437. The reversal of 363431 is 134363.

It is a strong prime.

It is an emirp because it is prime and its reverse (134363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 363431 - 2⁶ = 363367 is a prime.

It is a super-2 number, since 2×363431² = 264164183522, which contains 22 as substring.

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 363431.

It is not a weakly prime, because it can be changed into another prime (363437) 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 as a sum of consecutive naturals, namely, 181715 + 181716.

It is an arithmetic number, because the mean of its divisors is an integer number (181716).

2³⁶³⁴³¹ is an apocalyptic number.

363431 is a deficient number, since it is larger than the sum of its proper divisors (1).

363431 is an equidigital number, since it uses as much as digits as its factorization.

363431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 20.

The square root of 363431 is about 602.8523865757. The cubic root of 363431 is about 71.3631463779.

Adding to 363431 its reverse (134363), we get a palindrome (497794).

The spelling of 363431 in words is "three hundred sixty-three thousand, four hundred thirty-one".