1330313303021 has 12 divisors (see below), whose sum is σ = 1408271215680. Its totient is φ = 1256366294040.

The previous prime is 1330313302999. The next prime is 1330313303023. The reversal of 1330313303021 is 1203033130331.

It is a de Polignac number, because none of the positive numbers 2^k-1330313303021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330313303023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15874475 + ... + 15958056.

It is an arithmetic number, because the mean of its divisors is an integer number (117355934640).

Almost surely, 2^{1330313303021} is an apocalyptic number.

It is an amenable number.

1330313303021 is a deficient number, since it is larger than the sum of its proper divisors (77957912659).

1330313303021 is an equidigital number, since it uses as much as digits as its factorization.

1330313303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832656 (or 31832633 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 1330313303021 its reverse (1203033130331), we get a palindrome (2533346433352).

The spelling of 1330313303021 in words is "one trillion, three hundred thirty billion, three hundred thirteen million, three hundred three thousand, twenty-one".