1331134032 has 20 divisors (see below), whose sum is σ = 3438763040. Its totient is φ = 443711328.

The previous prime is 1331134031. The next prime is 1331134067. The reversal of 1331134032 is 2304311331.

It is a super-2 number, since 2×1331134032² = 3543835622297154048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331134031) 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, 13865932 + ... + 13866027.

It is an arithmetic number, because the mean of its divisors is an integer number (171938152).

Almost surely, 2^1331134032 is an apocalyptic number.

1331134032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331134032 is an abundant number, since it is smaller than the sum of its proper divisors (2107629008).

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

1331134032 is a wasteful number, since it uses less digits than its factorization.

1331134032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27731970 (or 27731964 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1331134032 is about 36484.7095644189. The cubic root of 1331134032 is about 1100.0369221766.

Adding to 1331134032 its reverse (2304311331), we get a palindrome (3635445363).

The spelling of 1331134032 in words is "one billion, three hundred thirty-one million, one hundred thirty-four thousand, thirty-two".