1330320312331 has 4 divisors (see below), whose sum is σ = 1339890962200. Its totient is φ = 1320749662464.

The previous prime is 1330320312281. The next prime is 1330320312407. The reversal of 1330320312331 is 1332130230331.

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 1330320312331 - 2¹⁷ = 1330320181259 is a prime.

It is a super-2 number, since 2×1330320312331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330320312296 and 1330320312305.

It is not an unprimeable number, because it can be changed into a prime (1330320310331) 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, 4785324726 + ... + 4785325003.

It is an arithmetic number, because the mean of its divisors is an integer number (334972740550).

Almost surely, 2^{1330320312331} is an apocalyptic number.

1330320312331 is a deficient number, since it is larger than the sum of its proper divisors (9570649869).

1330320312331 is an equidigital number, since it uses as much as digits as its factorization.

1330320312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570649868.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1330320312331 its reverse (1332130230331), we get a palindrome (2662450542662).

The spelling of 1330320312331 in words is "one trillion, three hundred thirty billion, three hundred twenty million, three hundred twelve thousand, three hundred thirty-one".