1331333132 has 6 divisors (see below), whose sum is σ = 2329832988. Its totient is φ = 665666564.

The previous prime is 1331333093. The next prime is 1331333137. The reversal of 1331333132 is 2313331331.

It is a junction number, because it is equal to n+sod(n) for n = 1331333098 and 1331333107.

It is not an unprimeable number, because it can be changed into a prime (1331333137) 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 as a sum of consecutive naturals, namely, 166416638 + ... + 166416645.

It is an arithmetic number, because the mean of its divisors is an integer number (388305498).

Almost surely, 2^1331333132 is an apocalyptic number.

It is an amenable number.

1331333132 is a deficient number, since it is larger than the sum of its proper divisors (998499856).

1331333132 is a wasteful number, since it uses less digits than its factorization.

1331333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332833287 (or 332833285 counting only the distinct ones).

The product of its digits is 1458, while the sum is 23.

The square root of 1331333132 is about 36487.4380026880. The cubic root of 1331333132 is about 1100.0917642455.

Adding to 1331333132 its reverse (2313331331), we get a palindrome (3644664463).

It can be divided in two parts, 1 and 331333132, that added together give a palindrome (331333133).

The spelling of 1331333132 in words is "one billion, three hundred thirty-one million, three hundred thirty-three thousand, one hundred thirty-two".