1113143331 has 4 divisors (see below), whose sum is σ = 1484191112. Its totient is φ = 742095552.

The previous prime is 1113143309. The next prime is 1113143341. The reversal of 1113143331 is 1333413111.

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

It is not a de Polignac number, because 1113143331 - 2⁵ = 1113143299 is a prime.

It is a super-2 number, since 2×1113143331² = 2478176150699551122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113143298 and 1113143307.

It is not an unprimeable number, because it can be changed into a prime (1113143341) 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, 185523886 + ... + 185523891.

It is an arithmetic number, because the mean of its divisors is an integer number (371047778).

Almost surely, 2^1113143331 is an apocalyptic number.

1113143331 is a deficient number, since it is larger than the sum of its proper divisors (371047781).

1113143331 is an equidigital number, since it uses as much as digits as its factorization.

1113143331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371047780.

The product of its digits is 324, while the sum is 21.

The square root of 1113143331 is about 33363.8027059267. The cubic root of 1113143331 is about 1036.3752420334.

Adding to 1113143331 its reverse (1333413111), we get a palindrome (2446556442).

The spelling of 1113143331 in words is "one billion, one hundred thirteen million, one hundred forty-three thousand, three hundred thirty-one".