331202001302213 has 4 divisors (see below), whose sum is σ = 331233243837228. Its totient is φ = 331170758767200.

The previous prime is 331202001302189. The next prime is 331202001302231. The reversal of 331202001302213 is 312203100202133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202983904606564 + 128218096695649 = 14247242^2 + 11323343^2 .

It is a cyclic number.

It is not a de Polignac number, because 331202001302213 - 2²⁸ = 331201732866757 is a prime.

It is a super-2 number, since 2×331202001302213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331202001302233) 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, 15621251606 + ... + 15621272807.

It is an arithmetic number, because the mean of its divisors is an integer number (82808310959307).

Almost surely, 2^{331202001302213} is an apocalyptic number.

It is an amenable number.

331202001302213 is a deficient number, since it is larger than the sum of its proper divisors (31242535015).

331202001302213 is a wasteful number, since it uses less digits than its factorization.

331202001302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31242535014.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 331202001302213 its reverse (312203100202133), we get a palindrome (643405101504346).

The spelling of 331202001302213 in words is "three hundred thirty-one trillion, two hundred two billion, one million, three hundred two thousand, two hundred thirteen".