312100300943 has 2 divisors, whose sum is σ = 312100300944. Its totient is φ = 312100300942.

The previous prime is 312100300921. The next prime is 312100300973. The reversal of 312100300943 is 349003001213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312100300943 - 2²² = 312096106639 is a prime.

It is a super-2 number, since 2×312100300943² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312100300903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050150471 + 156050150472.

It is an arithmetic number, because the mean of its divisors is an integer number (156050150472).

Almost surely, 2^312100300943 is an apocalyptic number.

312100300943 is a deficient number, since it is larger than the sum of its proper divisors (1).

312100300943 is an equidigital number, since it uses as much as digits as its factorization.

312100300943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 312100300943 in words is "three hundred twelve billion, one hundred million, three hundred thousand, nine hundred forty-three".