531362231 has 4 divisors (see below), whose sum is σ = 533479464. Its totient is φ = 529245000.

The previous prime is 531362219. The next prime is 531362267. The reversal of 531362231 is 132263135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132263135 = 5 ⋅26452627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531362231 is a prime.

It is a super-2 number, since 2×531362231² = 564691641066594722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531362231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531362831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058240 + ... + 1058741.

It is an arithmetic number, because the mean of its divisors is an integer number (133369866).

Almost surely, 2^531362231 is an apocalyptic number.

531362231 is a deficient number, since it is larger than the sum of its proper divisors (2117233).

531362231 is a wasteful number, since it uses less digits than its factorization.

531362231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117232.

The product of its digits is 3240, while the sum is 26.

The square root of 531362231 is about 23051.2956468828. The cubic root of 531362231 is about 809.9599792247.

The spelling of 531362231 in words is "five hundred thirty-one million, three hundred sixty-two thousand, two hundred thirty-one".