1302311030321 has 12 divisors (see below), whose sum is σ = 1520693456832. Its totient is φ = 1112022226728.

The previous prime is 1302311030309. The next prime is 1302311030327. The reversal of 1302311030321 is 1230301132031.

It is a de Polignac number, because none of the positive numbers 2^k-1302311030321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302311030293 and 1302311030302.

It is not an unprimeable number, because it can be changed into a prime (1302311030327) 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, 50515205 + ... + 50540978.

It is an arithmetic number, because the mean of its divisors is an integer number (126724454736).

Almost surely, 2^{1302311030321} is an apocalyptic number.

It is an amenable number.

1302311030321 is a deficient number, since it is larger than the sum of its proper divisors (218382426511).

1302311030321 is a wasteful number, since it uses less digits than its factorization.

1302311030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101056460 (or 101056453 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1302311030321 its reverse (1230301132031), we get a palindrome (2532612162352).

The spelling of 1302311030321 in words is "one trillion, three hundred two billion, three hundred eleven million, thirty thousand, three hundred twenty-one".