312232351 has 2 divisors, whose sum is σ = 312232352. Its totient is φ = 312232350.

The previous prime is 312232321. The next prime is 312232363. The reversal of 312232351 is 153232213.

It is a strong prime.

It is an emirp because it is prime and its reverse (153232213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312232351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312232321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116175 + 156116176.

It is an arithmetic number, because the mean of its divisors is an integer number (156116176).

Almost surely, 2^312232351 is an apocalyptic number.

312232351 is a deficient number, since it is larger than the sum of its proper divisors (1).

312232351 is an equidigital number, since it uses as much as digits as its factorization.

312232351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 312232351 is about 17670.0976511167. The cubic root of 312232351 is about 678.4106125027.

Adding to 312232351 its reverse (153232213), we get a palindrome (465464564).

The spelling of 312232351 in words is "three hundred twelve million, two hundred thirty-two thousand, three hundred fifty-one".