1312330231 has 8 divisors (see below), whose sum is σ = 1318672224. Its totient is φ = 1306002720.

The previous prime is 1312330213. The next prime is 1312330267. The reversal of 1312330231 is 1320332131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312330231 - 2²⁷ = 1178112503 is a prime.

It is a super-2 number, since 2×1312330231² = 3444421270393026722, 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 = 1312330199 and 1312330208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206406 + ... + 212668.

It is an arithmetic number, because the mean of its divisors is an integer number (164834028).

Almost surely, 2^1312330231 is an apocalyptic number.

1312330231 is a deficient number, since it is larger than the sum of its proper divisors (6341993).

1312330231 is an equidigital number, since it uses as much as digits as its factorization.

1312330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1312330231 is about 36226.0987549032. The cubic root of 1312330231 is about 1094.8325761692.

Adding to 1312330231 its reverse (1320332131), we get a palindrome (2632662362).

The spelling of 1312330231 in words is "one billion, three hundred twelve million, three hundred thirty thousand, two hundred thirty-one".