20131230013033 has 8 divisors (see below), whose sum is σ = 20826204525000. Its totient is φ = 19436308445568.

The previous prime is 20131230013009. The next prime is 20131230013049. The reversal of 20131230013033 is 33031003213102.

It can be written as a sum of positive squares in 4 ways, for example, as 2587555353744 + 17543674659289 = 1608588^2 + 4188517^2 .

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 20131230013033 - 2²⁹ = 20130693142121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20131230012995 and 20131230013013.

It is not an unprimeable number, because it can be changed into a prime (20131230413033) 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, 12461766 + ... + 13984207.

It is an arithmetic number, because the mean of its divisors is an integer number (2603275565625).

Almost surely, 2^{20131230013033} is an apocalyptic number.

It is an amenable number.

20131230013033 is a deficient number, since it is larger than the sum of its proper divisors (694974511967).

20131230013033 is a wasteful number, since it uses less digits than its factorization.

20131230013033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26472251.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20131230013033 its reverse (33031003213102), we get a palindrome (53162233226135).

The spelling of 20131230013033 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty million, thirteen thousand, thirty-three".