1000312202291 has 2 divisors, whose sum is σ = 1000312202292. Its totient is φ = 1000312202290.

The previous prime is 1000312202269. The next prime is 1000312202303. The reversal of 1000312202291 is 1922022130001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000312202291 - 2²² = 1000308007987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000312204291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500156101145 + 500156101146.

It is an arithmetic number, because the mean of its divisors is an integer number (500156101146).

Almost surely, 2^{1000312202291} is an apocalyptic number.

1000312202291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000312202291 is an equidigital number, since it uses as much as digits as its factorization.

1000312202291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1000312202291 its reverse (1922022130001), we get a palindrome (2922334332292).

The spelling of 1000312202291 in words is "one trillion, three hundred twelve million, two hundred two thousand, two hundred ninety-one".