331201031002013 has 4 divisors (see below), whose sum is σ = 331203882833148. Its totient is φ = 331198179170880.

The previous prime is 331201031002003. The next prime is 331201031002031. The reversal of 331201031002013 is 310200130102133.

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 50822683774009 + 280378347228004 = 7129003^2 + 16744502^2 .

It is a cyclic number.

It is not a de Polignac number, because 331201031002013 - 2¹⁸ = 331201030739869 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 (331201031002003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425741356 + ... + 1425973637.

It is an arithmetic number, because the mean of its divisors is an integer number (82800970708287).

Almost surely, 2^{331201031002013} is an apocalyptic number.

It is an amenable number.

331201031002013 is a deficient number, since it is larger than the sum of its proper divisors (2851831135).

331201031002013 is a wasteful number, since it uses less digits than its factorization.

331201031002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851831134.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331201031002013 its reverse (310200130102133), we get a palindrome (641401161104146).

The spelling of 331201031002013 in words is "three hundred thirty-one trillion, two hundred one billion, thirty-one million, two thousand, thirteen".