20131011021333 has 32 divisors (see below), whose sum is σ = 27761709975552. Its totient is φ = 12966896048000.

The previous prime is 20131011021323. The next prime is 20131011021349. The reversal of 20131011021333 is 33312011013102.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20131011021333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131011021313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41915908 + ... + 42393458.

It is an arithmetic number, because the mean of its divisors is an integer number (867553436736).

Almost surely, 2^{20131011021333} is an apocalyptic number.

It is an amenable number.

20131011021333 is a deficient number, since it is larger than the sum of its proper divisors (7630698954219).

20131011021333 is a wasteful number, since it uses less digits than its factorization.

20131011021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480905.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20131011021333 its reverse (33312011013102), we get a palindrome (53443022034435).

The spelling of 20131011021333 in words is "twenty trillion, one hundred thirty-one billion, eleven million, twenty-one thousand, three hundred thirty-three".