213302031330121 has 8 divisors (see below), whose sum is σ = 213879386156040. Its totient is φ = 212724705914112.

The previous prime is 213302031330097. The next prime is 213302031330173. The reversal of 213302031330121 is 121033130203312.

It can be written as a sum of positive squares in 4 ways, for example, as 69075862593721 + 144226168736400 = 8311189^2 + 12009420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213302031330121 - 2³⁷ = 213164592376649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213302031337121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211595 + ... + 21877183.

It is an arithmetic number, because the mean of its divisors is an integer number (26734923269505).

Almost surely, 2^{213302031330121} is an apocalyptic number.

It is an amenable number.

213302031330121 is a deficient number, since it is larger than the sum of its proper divisors (577354825919).

213302031330121 is a wasteful number, since it uses less digits than its factorization.

213302031330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14704955.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213302031330121 its reverse (121033130203312), we get a palindrome (334335161533433).

The spelling of 213302031330121 in words is "two hundred thirteen trillion, three hundred two billion, thirty-one million, three hundred thirty thousand, one hundred twenty-one".