1331132307 has 8 divisors (see below), whose sum is σ = 1791126480. Its totient is φ = 879279840.

The previous prime is 1331132303. The next prime is 1331132333. The reversal of 1331132307 is 7032311331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1331132307 - 2² = 1331132303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331132303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035044 + ... + 2035697.

It is an arithmetic number, because the mean of its divisors is an integer number (223890810).

Almost surely, 2^1331132307 is an apocalyptic number.

1331132307 is a deficient number, since it is larger than the sum of its proper divisors (459994173).

1331132307 is a wasteful number, since it uses less digits than its factorization.

1331132307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070853.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 1331132307 is about 36484.6859243711. The cubic root of 1331132307 is about 1100.0364470017.

Adding to 1331132307 its reverse (7032311331), we get a palindrome (8363443638).

The spelling of 1331132307 in words is "one billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred seven".