1352287331 has 4 divisors (see below), whose sum is σ = 1372470792. Its totient is φ = 1332103872.

The previous prime is 1352287267. The next prime is 1352287333. The reversal of 1352287331 is 1337822531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1352287331 - 2⁶ = 1352287267 is a prime.

It is a super-2 number, since 2×1352287331² = 3657362051166207122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1352287291 and 1352287300.

It is not an unprimeable number, because it can be changed into a prime (1352287333) 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, 10091630 + ... + 10091763.

It is an arithmetic number, because the mean of its divisors is an integer number (343117698).

Almost surely, 2^1352287331 is an apocalyptic number.

1352287331 is a deficient number, since it is larger than the sum of its proper divisors (20183461).

1352287331 is an equidigital number, since it uses as much as digits as its factorization.

1352287331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183460.

The product of its digits is 30240, while the sum is 35.

The square root of 1352287331 is about 36773.4596006413. The cubic root of 1352287331 is about 1105.8332899484.

The spelling of 1352287331 in words is "one billion, three hundred fifty-two million, two hundred eighty-seven thousand, three hundred thirty-one".