20004311336031 has 32 divisors (see below), whose sum is σ = 32348292883200. Its totient is φ = 12117040273440.

The previous prime is 20004311336003. The next prime is 20004311336059. The reversal of 20004311336031 is 13063311340002.

20004311336031 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 43 + 1 + 13 + 3 + 603 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20004311336003) and next prime (20004311336059).

It is not a de Polignac number, because 20004311336031 - 2³¹ = 20002163852383 is a prime.

It is a super-2 number, since 2×20004311336031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20004311335986 and 20004311336004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004311336431) 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, 18314976 + ... + 19376453.

It is an arithmetic number, because the mean of its divisors is an integer number (1010884152600).

Almost surely, 2^{20004311336031} is an apocalyptic number.

20004311336031 is a deficient number, since it is larger than the sum of its proper divisors (12343981547169).

20004311336031 is a wasteful number, since it uses less digits than its factorization.

20004311336031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37693236 (or 37693230 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20004311336031 its reverse (13063311340002), we get a palindrome (33067622676033).

The spelling of 20004311336031 in words is "twenty trillion, four billion, three hundred eleven million, three hundred thirty-six thousand, thirty-one".