20001031113 has 8 divisors (see below), whose sum is σ = 30477761728. Its totient is φ = 11429160624.

The previous prime is 20001031069. The next prime is 20001031139. The reversal of 20001031113 is 31113010002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20001031113 - 2¹⁷ = 20000900041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001031013) 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, 476215006 + ... + 476215047.

It is an arithmetic number, because the mean of its divisors is an integer number (3809720216).

Almost surely, 2^20001031113 is an apocalyptic number.

It is an amenable number.

20001031113 is a deficient number, since it is larger than the sum of its proper divisors (10476730615).

20001031113 is an equidigital number, since it uses as much as digits as its factorization.

20001031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952430063.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20001031113 its reverse (31113010002), we get a palindrome (51114041115).

The spelling of 20001031113 in words is "twenty billion, one million, thirty-one thousand, one hundred thirteen".