312310233143 has 2 divisors, whose sum is σ = 312310233144. Its totient is φ = 312310233142.

The previous prime is 312310233139. The next prime is 312310233199. The reversal of 312310233143 is 341332013213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312310233143 - 2² = 312310233139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312310233113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156155116571 + 156155116572.

It is an arithmetic number, because the mean of its divisors is an integer number (156155116572).

Almost surely, 2^312310233143 is an apocalyptic number.

312310233143 is a deficient number, since it is larger than the sum of its proper divisors (1).

312310233143 is an equidigital number, since it uses as much as digits as its factorization.

312310233143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 312310233143 its reverse (341332013213), we get a palindrome (653642246356).

The spelling of 312310233143 in words is "three hundred twelve billion, three hundred ten million, two hundred thirty-three thousand, one hundred forty-three".