312115213283 has 2 divisors, whose sum is σ = 312115213284. Its totient is φ = 312115213282.

The previous prime is 312115213279. The next prime is 312115213307. The reversal of 312115213283 is 382312511213.

It is a weak prime.

It is an emirp because it is prime and its reverse (382312511213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312115213283 - 2² = 312115213279 is a prime.

It is not a weakly prime, because it can be changed into another prime (312115293283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156057606641 + 156057606642.

It is an arithmetic number, because the mean of its divisors is an integer number (156057606642).

Almost surely, 2^312115213283 is an apocalyptic number.

312115213283 is a deficient number, since it is larger than the sum of its proper divisors (1).

312115213283 is an equidigital number, since it uses as much as digits as its factorization.

312115213283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

Adding to 312115213283 its reverse (382312511213), we get a palindrome (694427724496).

The spelling of 312115213283 in words is "three hundred twelve billion, one hundred fifteen million, two hundred thirteen thousand, two hundred eighty-three".