1131202133113 has 4 divisors (see below), whose sum is σ = 1218217681828. Its totient is φ = 1044186584400.

The previous prime is 1131202133111. The next prime is 1131202133153. The reversal of 1131202133113 is 3113312021311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 577125857344 + 554076275769 = 759688^2 + 744363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131202133113 - 2¹ = 1131202133111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131202133111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43507774338 + ... + 43507774363.

It is an arithmetic number, because the mean of its divisors is an integer number (304554420457).

Almost surely, 2^{1131202133113} is an apocalyptic number.

1131202133113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1131202133113 is a deficient number, since it is larger than the sum of its proper divisors (87015548715).

1131202133113 is an equidigital number, since it uses as much as digits as its factorization.

1131202133113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87015548714.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1131202133113 its reverse (3113312021311), we get a palindrome (4244514154424).

The spelling of 1131202133113 in words is "one trillion, one hundred thirty-one billion, two hundred two million, one hundred thirty-three thousand, one hundred thirteen".