312463231 has 2 divisors, whose sum is σ = 312463232. Its totient is φ = 312463230.

The previous prime is 312463223. The next prime is 312463259. The reversal of 312463231 is 132364213.

It is a weak prime.

It is an emirp because it is prime and its reverse (132364213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312463231 - 2³ = 312463223 is a prime.

It is a super-3 number, since 3×312463231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 312463196 and 312463205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312463201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156231615 + 156231616.

It is an arithmetic number, because the mean of its divisors is an integer number (156231616).

Almost surely, 2^312463231 is an apocalyptic number.

312463231 is a deficient number, since it is larger than the sum of its proper divisors (1).

312463231 is an equidigital number, since it uses as much as digits as its factorization.

312463231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 312463231 is about 17676.6295147010. The cubic root of 312463231 is about 678.5777880591.

The spelling of 312463231 in words is "three hundred twelve million, four hundred sixty-three thousand, two hundred thirty-one".