312430441 has 2 divisors, whose sum is σ = 312430442. Its totient is φ = 312430440.

The previous prime is 312430421. The next prime is 312430457. The reversal of 312430441 is 144034213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264875625 + 47554816 = 16275^2 + 6896^2 .

It is a cyclic number.

It is not a de Polignac number, because 312430441 - 2⁵ = 312430409 is a prime.

It is a super-2 number, since 2×312430441² = 195225560926908962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312430411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156215220 + 156215221.

It is an arithmetic number, because the mean of its divisors is an integer number (156215221).

Almost surely, 2^312430441 is an apocalyptic number.

It is an amenable number.

312430441 is a deficient number, since it is larger than the sum of its proper divisors (1).

312430441 is an equidigital number, since it uses as much as digits as its factorization.

312430441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 312430441 is about 17675.7019945461. The cubic root of 312430441 is about 678.5540504992.

Adding to 312430441 its reverse (144034213), we get a palindrome (456464654).

The spelling of 312430441 in words is "three hundred twelve million, four hundred thirty thousand, four hundred forty-one".