1330212331 has 4 divisors (see below), whose sum is σ = 1520242672. Its totient is φ = 1140181992.

The previous prime is 1330212307. The next prime is 1330212409. The reversal of 1330212331 is 1332120331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1332120331 = 67 ⋅19882393.

It is a cyclic number.

It is not a de Polignac number, because 1330212331 - 2⁹ = 1330211819 is a prime.

It is a super-2 number, since 2×1330212331² = 3538929691088907122, 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 = 1330212299 and 1330212308.

It is not an unprimeable number, because it can be changed into a prime (1330212731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95015160 + ... + 95015173.

It is an arithmetic number, because the mean of its divisors is an integer number (380060668).

Almost surely, 2^1330212331 is an apocalyptic number.

1330212331 is a deficient number, since it is larger than the sum of its proper divisors (190030341).

1330212331 is an equidigital number, since it uses as much as digits as its factorization.

1330212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190030340.

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

The square root of 1330212331 is about 36472.0760445577. The cubic root of 1330212331 is about 1099.7829684770.

Adding to 1330212331 its reverse (1332120331), we get a palindrome (2662332662).

The spelling of 1330212331 in words is "one billion, three hundred thirty million, two hundred twelve thousand, three hundred thirty-one".