312452831 has 2 divisors, whose sum is σ = 312452832. Its totient is φ = 312452830.

The previous prime is 312452807. The next prime is 312452837. The reversal of 312452831 is 138254213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312452831 - 2¹⁰ = 312451807 is a prime.

It is a super-2 number, since 2×312452831² = 195253543199829122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312452794 and 312452803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312452837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156226415 + 156226416.

It is an arithmetic number, because the mean of its divisors is an integer number (156226416).

Almost surely, 2^312452831 is an apocalyptic number.

312452831 is a deficient number, since it is larger than the sum of its proper divisors (1).

312452831 is an equidigital number, since it uses as much as digits as its factorization.

312452831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 312452831 is about 17676.3353385253. The cubic root of 312452831 is about 678.5702594002.

It can be divided in two parts, 3124 and 52831, that added together give a palindrome (55955).

The spelling of 312452831 in words is "three hundred twelve million, four hundred fifty-two thousand, eight hundred thirty-one".