312542033 has 2 divisors, whose sum is σ = 312542034. Its totient is φ = 312542032.

The previous prime is 312542023. The next prime is 312542053. The reversal of 312542033 is 330245213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180015889 + 132526144 = 13417^2 + 11512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312542033 is a prime.

It is not a weakly prime, because it can be changed into another prime (312542023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156271016 + 156271017.

It is an arithmetic number, because the mean of its divisors is an integer number (156271017).

Almost surely, 2^312542033 is an apocalyptic number.

It is an amenable number.

312542033 is a deficient number, since it is larger than the sum of its proper divisors (1).

312542033 is an equidigital number, since it uses as much as digits as its factorization.

312542033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 312542033 is about 17678.8583624622. The cubic root of 312542033 is about 678.6348281489.

Adding to 312542033 its reverse (330245213), we get a palindrome (642787246).

The spelling of 312542033 in words is "three hundred twelve million, five hundred forty-two thousand, thirty-three".