20000113100331 has 48 divisors (see below), whose sum is σ = 34435859544576. Its totient is φ = 10090835808768.

The previous prime is 20000113100327. The next prime is 20000113100339. The reversal of 20000113100331 is 13300131100002.

It is not a de Polignac number, because 20000113100331 - 2² = 20000113100327 is a prime.

It is a super-2 number, since 2×20000113100331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20000113100331.

It is not an unprimeable number, because it can be changed into a prime (20000113100339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122427550 + ... + 122590803.

It is an arithmetic number, because the mean of its divisors is an integer number (717413740512).

Almost surely, 2^{20000113100331} is an apocalyptic number.

20000113100331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20000113100331 is a deficient number, since it is larger than the sum of its proper divisors (14435746444245).

20000113100331 is a wasteful number, since it uses less digits than its factorization.

20000113100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245018412 (or 245018399 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20000113100331 its reverse (13300131100002), we get a palindrome (33300244200333).

The spelling of 20000113100331 in words is "twenty trillion, one hundred thirteen million, one hundred thousand, three hundred thirty-one".