1331123233 has 8 divisors (see below), whose sum is σ = 1458534240. Its totient is φ = 1204778880.

The previous prime is 1331123221. The next prime is 1331123263. The reversal of 1331123233 is 3323211331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331123233 is a prime.

It is a super-2 number, since 2×1331123233² = 3543778122864744578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331123263) 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, 264048 + ... + 269041.

It is an arithmetic number, because the mean of its divisors is an integer number (182316780).

Almost surely, 2^1331123233 is an apocalyptic number.

It is an amenable number.

1331123233 is a deficient number, since it is larger than the sum of its proper divisors (127411007).

1331123233 is a wasteful number, since it uses less digits than its factorization.

1331123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533327.

The product of its digits is 972, while the sum is 22.

The square root of 1331123233 is about 36484.5615706150. The cubic root of 1331123233 is about 1100.0339474372.

Adding to 1331123233 its reverse (3323211331), we get a palindrome (4654334564).

The spelling of 1331123233 in words is "one billion, three hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-three".