1001131031269 has 2 divisors, whose sum is σ = 1001131031270. Its totient is φ = 1001131031268.

The previous prime is 1001131031261. The next prime is 1001131031279. The reversal of 1001131031269 is 9621301311001.

1001131031269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626907650625 + 374223380644 = 791775^2 + 611738^2 .

It is an emirp because it is prime and its reverse (9621301311001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001131031269 - 2³ = 1001131031261 is a prime.

It is a super-2 number, since 2×1001131031269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001131031261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500565515634 + 500565515635.

It is an arithmetic number, because the mean of its divisors is an integer number (500565515635).

Almost surely, 2^{1001131031269} is an apocalyptic number.

It is an amenable number.

1001131031269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001131031269 is an equidigital number, since it uses as much as digits as its factorization.

1001131031269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 1001131031269 in words is "one trillion, one billion, one hundred thirty-one million, thirty-one thousand, two hundred sixty-nine".