712331 has 2 divisors, whose sum is σ = 712332. Its totient is φ = 712330.

The previous prime is 712321. The next prime is 712339. The reversal of 712331 is 133217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 712331 - 2¹⁰ = 711307 is a prime.

It is a super-2 number, since 2×712331² = 1014830907122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (712339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356165 + 356166.

It is an arithmetic number, because the mean of its divisors is an integer number (356166).

2⁷¹²³³¹ is an apocalyptic number.

712331 is a deficient number, since it is larger than the sum of its proper divisors (1).

712331 is an equidigital number, since it uses as much as digits as its factorization.

712331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 17.

The square root of 712331 is about 843.9970379095. The cubic root of 712331 is about 89.3087371334.

Adding to 712331 its reverse (133217), we get a palindrome (845548).

The spelling of 712331 in words is "seven hundred twelve thousand, three hundred thirty-one".