331012221233213 has 8 divisors (see below), whose sum is σ = 356474845217400. Its totient is φ = 305549618024448.

The previous prime is 331012221233167. The next prime is 331012221233257. The reversal of 331012221233213 is 312332122210133.

It can be written as a sum of positive squares in 4 ways, for example, as 19645974734884 + 311366246498329 = 4432378^2 + 17645573^2 .

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 331012221233213 - 2¹⁴ = 331012221216829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331012221233293) 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, 48314333 + ... + 54738461.

It is an arithmetic number, because the mean of its divisors is an integer number (44559355652175).

Almost surely, 2^{331012221233213} is an apocalyptic number.

It is an amenable number.

331012221233213 is a deficient number, since it is larger than the sum of its proper divisors (25462623984187).

331012221233213 is a wasteful number, since it uses less digits than its factorization.

331012221233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387711.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 331012221233213 its reverse (312332122210133), we get a palindrome (643344343443346).

The spelling of 331012221233213 in words is "three hundred thirty-one trillion, twelve billion, two hundred twenty-one million, two hundred thirty-three thousand, two hundred thirteen".