312342361 has 2 divisors, whose sum is σ = 312342362. Its totient is φ = 312342360.

The previous prime is 312342347. The next prime is 312342413. The reversal of 312342361 is 163243213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223323136 + 89019225 = 14944^2 + 9435^2 .

It is a cyclic number.

It is not a de Polignac number, because 312342361 - 2²¹ = 310245209 is a prime.

It is not a weakly prime, because it can be changed into another prime (312342301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156171180 + 156171181.

It is an arithmetic number, because the mean of its divisors is an integer number (156171181).

Almost surely, 2^312342361 is an apocalyptic number.

It is an amenable number.

312342361 is a deficient number, since it is larger than the sum of its proper divisors (1).

312342361 is an equidigital number, since it uses as much as digits as its factorization.

312342361 is an evil number, because the sum of its binary digits is even.

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

The square root of 312342361 is about 17673.2102629941. The cubic root of 312342361 is about 678.4902788023.

Adding to 312342361 its reverse (163243213), we get a palindrome (475585574).

The spelling of 312342361 in words is "three hundred twelve million, three hundred forty-two thousand, three hundred sixty-one".