1131320000231 has 4 divisors (see below), whose sum is σ = 1180507826352. Its totient is φ = 1082132174112.

The previous prime is 1131320000203. The next prime is 1131320000243. The reversal of 1131320000231 is 1320000231311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131320000231 - 2²⁶ = 1131252891367 is a prime.

It is a super-2 number, since 2×1131320000231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131320000131) 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, 24593913026 + ... + 24593913071.

It is an arithmetic number, because the mean of its divisors is an integer number (295126956588).

Almost surely, 2^{1131320000231} is an apocalyptic number.

1131320000231 is a deficient number, since it is larger than the sum of its proper divisors (49187826121).

1131320000231 is an equidigital number, since it uses as much as digits as its factorization.

1131320000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49187826120.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1131320000231 its reverse (1320000231311), we get a palindrome (2451320231542).

The spelling of 1131320000231 in words is "one trillion, one hundred thirty-one billion, three hundred twenty million, two hundred thirty-one", and thus it is an aban number.