1331001332 has 12 divisors (see below), whose sum is σ = 2466267300. Its totient is φ = 626353536.

The previous prime is 1331001323. The next prime is 1331001341. The reversal of 1331001332 is 2331001331.

It is an interprime number because it is at equal distance from previous prime (1331001323) and next prime (1331001341).

It can be written as a sum of positive squares in 2 ways, for example, as 393784336 + 937216996 = 19844^2 + 30614^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1331001332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9786707 + ... + 9786842.

It is an arithmetic number, because the mean of its divisors is an integer number (205522275).

Almost surely, 2^1331001332 is an apocalyptic number.

It is an amenable number.

1331001332 is a deficient number, since it is larger than the sum of its proper divisors (1135265968).

1331001332 is a wasteful number, since it uses less digits than its factorization.

1331001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19573570 (or 19573568 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331001332 is about 36482.8909490462. The cubic root of 1331001332 is about 1100.0003669420. Note that the first 3 decimals are identical.

Adding to 1331001332 its reverse (2331001331), we get a palindrome (3662002663).

Subtracting 1331001332 from its reverse (2331001331), we obtain a palindrome (999999999).

The spelling of 1331001332 in words is "one billion, three hundred thirty-one million, one thousand, three hundred thirty-two".