1330212131 has 4 divisors (see below), whose sum is σ = 1334946264. Its totient is φ = 1325478000.

The previous prime is 1330212101. The next prime is 1330212161. The reversal of 1330212131 is 1312120331.

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

It is an interprime number because it is at equal distance from previous prime (1330212101) and next prime (1330212161).

It is a cyclic number.

It is not a de Polignac number, because 1330212131 - 2¹⁴ = 1330195747 is a prime.

It is a super-2 number, since 2×1330212131² = 3538928626919122322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330212101) 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, 2366645 + ... + 2367206.

It is an arithmetic number, because the mean of its divisors is an integer number (333736566).

Almost surely, 2^1330212131 is an apocalyptic number.

1330212131 is a deficient number, since it is larger than the sum of its proper divisors (4734133).

1330212131 is an equidigital number, since it uses as much as digits as its factorization.

1330212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734132.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1330212131 is about 36472.0733027340. The cubic root of 1330212131 is about 1099.7829133588.

Adding to 1330212131 its reverse (1312120331), we get a palindrome (2642332462).

The spelling of 1330212131 in words is "one billion, three hundred thirty million, two hundred twelve thousand, one hundred thirty-one".