1131314044231 has 12 divisors (see below), whose sum is σ = 1338323777640. Its totient is φ = 953262194640.

The previous prime is 1131314044183. The next prime is 1131314044321. The reversal of 1131314044231 is 1324404131311.

It is a de Polignac number, because none of the positive numbers 2^k-1131314044231 is a prime.

It is a super-2 number, since 2×1131314044231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131314044231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131314044331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195658480 + ... + 195664261.

It is an arithmetic number, because the mean of its divisors is an integer number (111526981470).

Almost surely, 2^{1131314044231} is an apocalyptic number.

1131314044231 is a deficient number, since it is larger than the sum of its proper divisors (207009733409).

1131314044231 is an equidigital number, since it uses as much as digits as its factorization.

1131314044231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391322814 (or 391322807 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1131314044231 its reverse (1324404131311), we get a palindrome (2455718175542).

The spelling of 1131314044231 in words is "one trillion, one hundred thirty-one billion, three hundred fourteen million, forty-four thousand, two hundred thirty-one".