1301330432321 has 4 divisors (see below), whose sum is σ = 1301694852144. Its totient is φ = 1300966012500.

The previous prime is 1301330432309. The next prime is 1301330432393. The reversal of 1301330432321 is 1232340331031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1301330432321 - 2³⁸ = 1026452525377 is a prime.

It is a super-2 number, since 2×1301330432321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301330732321) 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, 182204555 + ... + 182211696.

It is an arithmetic number, because the mean of its divisors is an integer number (325423713036).

Almost surely, 2^{1301330432321} is an apocalyptic number.

It is an amenable number.

1301330432321 is a deficient number, since it is larger than the sum of its proper divisors (364419823).

1301330432321 is an equidigital number, since it uses as much as digits as its factorization.

1301330432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364419822.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1301330432321 its reverse (1232340331031), we get a palindrome (2533670763352).

The spelling of 1301330432321 in words is "one trillion, three hundred one billion, three hundred thirty million, four hundred thirty-two thousand, three hundred twenty-one".