1331234352 has 150 divisors (see below), whose sum is σ = 4482249948. Its totient is φ = 380334528.

The previous prime is 1331234341. The next prime is 1331234353. The reversal of 1331234352 is 2534321331.

1331234352 is a `hidden beast` number, since 1 + 3 + 312 + 343 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1331234353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 53023 + ... + 73985.

Almost surely, 2^1331234352 is an apocalyptic number.

1331234352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331234352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241124974).

1331234352 is an abundant number, since it is smaller than the sum of its proper divisors (3151015596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331234352 is a wasteful number, since it uses less digits than its factorization.

1331234352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20997 (or 20975 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 1331234352 is about 36486.0843610273. The cubic root of 1331234352 is about 1100.0645559909.

Adding to 1331234352 its reverse (2534321331), we get a palindrome (3865555683).

The spelling of 1331234352 in words is "one billion, three hundred thirty-one million, two hundred thirty-four thousand, three hundred fifty-two".