331333132331213 has 4 divisors (see below), whose sum is σ = 331335041116800. Its totient is φ = 331331223545628.

The previous prime is 331333132331191. The next prime is 331333132331219. The reversal of 331333132331213 is 312133231333133.

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 331333132331213 - 2³⁶ = 331264412854477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331333132331219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954132395 + ... + 954479592.

It is an arithmetic number, because the mean of its divisors is an integer number (82833760279200).

Almost surely, 2^{331333132331213} is an apocalyptic number.

It is an amenable number.

331333132331213 is a deficient number, since it is larger than the sum of its proper divisors (1908785587).

331333132331213 is a wasteful number, since it uses less digits than its factorization.

331333132331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908785586.

The product of its digits is 78732, while the sum is 35.

Adding to 331333132331213 its reverse (312133231333133), we get a palindrome (643466363664346).

The spelling of 331333132331213 in words is "three hundred thirty-one trillion, three hundred thirty-three billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred thirteen".