20131210023331 has 8 divisors (see below), whose sum is σ = 23117178974400. Its totient is φ = 17337884230440.

The previous prime is 20131210023277. The next prime is 20131210023349. The reversal of 20131210023331 is 13332001213102.

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 20131210023331 - 2⁷ = 20131210023203 is a prime.

It is a super-2 number, since 2×20131210023331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131210023031) 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, 48160789321 + ... + 48160789738.

It is an arithmetic number, because the mean of its divisors is an integer number (2889647371800).

Almost surely, 2^{20131210023331} is an apocalyptic number.

20131210023331 is a deficient number, since it is larger than the sum of its proper divisors (2985968951069).

20131210023331 is a wasteful number, since it uses less digits than its factorization.

20131210023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96321579089.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20131210023331 its reverse (13332001213102), we get a palindrome (33463211236433).

The spelling of 20131210023331 in words is "twenty trillion, one hundred thirty-one billion, two hundred ten million, twenty-three thousand, three hundred thirty-one".