201031230331013 has 8 divisors (see below), whose sum is σ = 203104064452800. Its totient is φ = 198958403295360.

The previous prime is 201031230330869. The next prime is 201031230331111. The reversal of 201031230331013 is 310133032130102.

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 201031230331013 - 2⁸ = 201031230330757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201031230331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031230331913) 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 7 ways as a sum of consecutive naturals, for example, 70297688 + ... + 73101486.

It is an arithmetic number, because the mean of its divisors is an integer number (25388008056600).

Almost surely, 2^{201031230331013} is an apocalyptic number.

It is an amenable number.

201031230331013 is a deficient number, since it is larger than the sum of its proper divisors (2072834121787).

201031230331013 is an equidigital number, since it uses as much as digits as its factorization.

201031230331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543067.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 201031230331013 its reverse (310133032130102), we get a palindrome (511164262461115).

The spelling of 201031230331013 in words is "two hundred one trillion, thirty-one billion, two hundred thirty million, three hundred thirty-one thousand, thirteen".