20313110203331 has 24 divisors (see below), whose sum is σ = 22434777271872. Its totient is φ = 18238495743600.

The previous prime is 20313110203307. The next prime is 20313110203349. The reversal of 20313110203331 is 13330201131302.

It is not a de Polignac number, because 20313110203331 - 2²⁶ = 20313043094467 is a prime.

It is a super-2 number, since 2×20313110203331² (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 = 20313110203297 and 20313110203306.

It is not an unprimeable number, because it can be changed into a prime (20313110203031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128874536 + ... + 129032058.

It is an arithmetic number, because the mean of its divisors is an integer number (934782386328).

Almost surely, 2^{20313110203331} is an apocalyptic number.

20313110203331 is a deficient number, since it is larger than the sum of its proper divisors (2121667068541).

20313110203331 is a wasteful number, since it uses less digits than its factorization.

20313110203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158303 (or 157972 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20313110203331 its reverse (13330201131302), we get a palindrome (33643311334633).

The spelling of 20313110203331 in words is "twenty trillion, three hundred thirteen billion, one hundred ten million, two hundred three thousand, three hundred thirty-one".