20131233113201 has 16 divisors (see below), whose sum is σ = 23162159929344. Its totient is φ = 17139192419664.

The previous prime is 20131233113171. The next prime is 20131233113209. The reversal of 20131233113201 is 10231133213102.

It is not a de Polignac number, because 20131233113201 - 2⁴² = 15733186602097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131233113209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389945 + ... + 7194038.

It is an arithmetic number, because the mean of its divisors is an integer number (1447634995584).

Almost surely, 2^{20131233113201} is an apocalyptic number.

It is an amenable number.

20131233113201 is a deficient number, since it is larger than the sum of its proper divisors (3030926816143).

20131233113201 is a wasteful number, since it uses less digits than its factorization.

20131233113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585820.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20131233113201 its reverse (10231133213102), we get a palindrome (30362366326303).

Subtracting from 20131233113201 its reverse (10231133213102), we obtain a palindrome (9900099900099).

The spelling of 20131233113201 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty-three million, one hundred thirteen thousand, two hundred one".