3130321020321 has 32 divisors (see below), whose sum is σ = 4914992286720. Its totient is φ = 1752103707200.

The previous prime is 3130321020293. The next prime is 3130321020331. The reversal of 3130321020321 is 1230201230313.

It is not a de Polignac number, because 3130321020321 - 2¹⁰ = 3130321019297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3130321020331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71086095 + ... + 71130116.

It is an arithmetic number, because the mean of its divisors is an integer number (153593508960).

Almost surely, 2^{3130321020321} is an apocalyptic number.

It is an amenable number.

3130321020321 is a deficient number, since it is larger than the sum of its proper divisors (1784671266399).

3130321020321 is a wasteful number, since it uses less digits than its factorization.

3130321020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142216277.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3130321020321 its reverse (1230201230313), we get a palindrome (4360522250634).

The spelling of 3130321020321 in words is "three trillion, one hundred thirty billion, three hundred twenty-one million, twenty thousand, three hundred twenty-one".