1352303231 has 4 divisors (see below), whose sum is σ = 1353378600. Its totient is φ = 1351227864.

The previous prime is 1352303221. The next prime is 1352303237. The reversal of 1352303231 is 1323032531.

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 1352303231 - 2⁶ = 1352303167 is a prime.

It is a super-2 number, since 2×1352303231² = 3657448057146078722, 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 = 1352303197 and 1352303206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352303237) 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, 535796 + ... + 538313.

It is an arithmetic number, because the mean of its divisors is an integer number (338344650).

Almost surely, 2^1352303231 is an apocalyptic number.

1352303231 is a deficient number, since it is larger than the sum of its proper divisors (1075369).

1352303231 is a wasteful number, since it uses less digits than its factorization.

1352303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075368.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1352303231 is about 36773.6757885311. The cubic root of 1352303231 is about 1105.8376240077.

Adding to 1352303231 its reverse (1323032531), we get a palindrome (2675335762).

The spelling of 1352303231 in words is "one billion, three hundred fifty-two million, three hundred three thousand, two hundred thirty-one".