1123331331 has 8 divisors (see below), whose sum is σ = 1497929920. Its totient is φ = 748810152.

The previous prime is 1123331329. The next prime is 1123331371. The reversal of 1123331331 is 1331333211.

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

It is not a de Polignac number, because 1123331331 - 2¹ = 1123331329 is a prime.

It is a super-2 number, since 2×1123331331² = 2523746558412463122, 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 = 1123331298 and 1123331307.

It is not an unprimeable number, because it can be changed into a prime (1123331371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47916 + ... + 67398.

It is an arithmetic number, because the mean of its divisors is an integer number (187241240).

Almost surely, 2^1123331331 is an apocalyptic number.

1123331331 is a deficient number, since it is larger than the sum of its proper divisors (374598589).

1123331331 is a wasteful number, since it uses less digits than its factorization.

1123331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38705.

The product of its digits is 486, while the sum is 21.

The square root of 1123331331 is about 33516.1353828272. The cubic root of 1123331331 is about 1039.5274390922.

Adding to 1123331331 its reverse (1331333211), we get a palindrome (2454664542).

The spelling of 1123331331 in words is "one billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".