1131313343 has 8 divisors (see below), whose sum is σ = 1142240400. Its totient is φ = 1120431040.

The previous prime is 1131313319. The next prime is 1131313387. The reversal of 1131313343 is 3433131311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131313343 - 2¹⁰ = 1131312319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131313543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40763 + ... + 62643.

It is an arithmetic number, because the mean of its divisors is an integer number (142780050).

Almost surely, 2^1131313343 is an apocalyptic number.

1131313343 is a deficient number, since it is larger than the sum of its proper divisors (10927057).

1131313343 is a wasteful number, since it uses less digits than its factorization.

1131313343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22377.

The product of its digits is 972, while the sum is 23.

The square root of 1131313343 is about 33635.0017541251. The cubic root of 1131313343 is about 1041.9838068495.

Adding to 1131313343 its reverse (3433131311), we get a palindrome (4564444654).

The spelling of 1131313343 in words is "one billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred forty-three".