13031211001001 has 8 divisors (see below), whose sum is σ = 13717232071200. Its totient is φ = 12345206716800.

The previous prime is 13031211000989. The next prime is 13031211001099. The reversal of 13031211001001 is 10010011213031.

It is a happy number.

13031211001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031211001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031211001801) 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, 2587175 + ... + 5723276.

It is an arithmetic number, because the mean of its divisors is an integer number (1714654008900).

Almost surely, 2^{13031211001001} is an apocalyptic number.

It is an amenable number.

13031211001001 is a deficient number, since it is larger than the sum of its proper divisors (686021070199).

13031211001001 is an equidigital number, since it uses as much as digits as its factorization.

13031211001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392999.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13031211001001 its reverse (10010011213031), we get a palindrome (23041222214032).

The spelling of 13031211001001 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, one thousand, one".