1332133231 has 16 divisors (see below), whose sum is σ = 1566230400. Its totient is φ = 1117012320.

The previous prime is 1332133219. The next prime is 1332133247. The reversal of 1332133231 is 1323312331.

It is a cyclic number.

It is not a de Polignac number, because 1332133231 - 2⁵ = 1332133199 is a prime.

It is a super-2 number, since 2×1332133231² = 3549157890268998722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332133261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240216 + ... + 245698.

It is an arithmetic number, because the mean of its divisors is an integer number (97889400).

Almost surely, 2^1332133231 is an apocalyptic number.

1332133231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1332133231 is a deficient number, since it is larger than the sum of its proper divisors (234097169).

1332133231 is a wasteful number, since it uses less digits than its factorization.

1332133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206.

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

The square root of 1332133231 is about 36498.4003896061. The cubic root of 1332133231 is about 1100.3120962909.

Adding to 1332133231 its reverse (1323312331), we get a palindrome (2655445562).

Subtracting from 1332133231 its reverse (1323312331), we obtain a square (8820900 = 2970²).

The spelling of 1332133231 in words is "one billion, three hundred thirty-two million, one hundred thirty-three thousand, two hundred thirty-one".