1131002031013 has 2 divisors, whose sum is σ = 1131002031014. Its totient is φ = 1131002031012.

The previous prime is 1131002030987. The next prime is 1131002031163. The reversal of 1131002031013 is 3101302001311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011104658369 + 119897372644 = 1005537^2 + 346262^2 .

It is an emirp because it is prime and its reverse (3101302001311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131002031013 - 2²⁵ = 1130968476581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131002031613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565501015506 + 565501015507.

It is an arithmetic number, because the mean of its divisors is an integer number (565501015507).

Almost surely, 2^{1131002031013} is an apocalyptic number.

It is an amenable number.

1131002031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131002031013 is an equidigital number, since it uses as much as digits as its factorization.

1131002031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1131002031013 its reverse (3101302001311), we get a palindrome (4232304032324).

The spelling of 1131002031013 in words is "one trillion, one hundred thirty-one billion, two million, thirty-one thousand, thirteen".