1001131031279 has 2 divisors, whose sum is σ = 1001131031280. Its totient is φ = 1001131031278.

The previous prime is 1001131031269. The next prime is 1001131031323. The reversal of 1001131031279 is 9721301311001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001131031279 - 2⁸ = 1001131031023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001131031209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500565515639 + 500565515640.

It is an arithmetic number, because the mean of its divisors is an integer number (500565515640).

Almost surely, 2^{1001131031279} is an apocalyptic number.

1001131031279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001131031279 is an equidigital number, since it uses as much as digits as its factorization.

1001131031279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 29.

The spelling of 1001131031279 in words is "one trillion, one billion, one hundred thirty-one million, thirty-one thousand, two hundred seventy-nine".