20013311122031 has 8 divisors (see below), whose sum is σ = 20031339415200. Its totient is φ = 19995283365120.

The previous prime is 20013311122003. The next prime is 20013311122033. The reversal of 20013311122031 is 13022111331002.

It is a happy number.

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 20013311122031 - 2¹⁴ = 20013311105647 is a prime.

It is a super-2 number, since 2×20013311122031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20013311121994 and 20013311122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013311122033) 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, 139607111 + ... + 139750391.

It is an arithmetic number, because the mean of its divisors is an integer number (2503917426900).

Almost surely, 2^{20013311122031} is an apocalyptic number.

20013311122031 is a deficient number, since it is larger than the sum of its proper divisors (18028293169).

20013311122031 is a wasteful number, since it uses less digits than its factorization.

20013311122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268129.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20013311122031 its reverse (13022111331002), we get a palindrome (33035422453033).

The spelling of 20013311122031 in words is "twenty trillion, thirteen billion, three hundred eleven million, one hundred twenty-two thousand, thirty-one".