1331102032 has 40 divisors (see below), whose sum is σ = 2802023784. Its totient is φ = 608907264.

The previous prime is 1331101999. The next prime is 1331102039. The reversal of 1331102032 is 2302011331.

It can be written as a sum of positive squares in 4 ways, for example, as 2062096 + 1329039936 = 1436^2 + 36456^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1331101997 and 1331102015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331102039) 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 7 ways as a sum of consecutive naturals, for example, 4813 + ... + 51820.

Almost surely, 2^1331102032 is an apocalyptic number.

It is an amenable number.

1331102032 is an abundant number, since it is smaller than the sum of its proper divisors (1470921752).

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

1331102032 is a wasteful number, since it uses less digits than its factorization.

1331102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56767 (or 56761 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1331102032 is about 36484.2710219075. The cubic root of 1331102032 is about 1100.0281072708.

Adding to 1331102032 its reverse (2302011331), we get a palindrome (3633113363).

The spelling of 1331102032 in words is "one billion, three hundred thirty-one million, one hundred two thousand, thirty-two".