20031001113 has 4 divisors (see below), whose sum is σ = 26708001488. Its totient is φ = 13354000740.

The previous prime is 20031001097. The next prime is 20031001127. The reversal of 20031001113 is 31110013002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20031001113 - 2⁴ = 20031001097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20031001163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3338500183 + ... + 3338500188.

It is an arithmetic number, because the mean of its divisors is an integer number (6677000372).

Almost surely, 2^20031001113 is an apocalyptic number.

It is an amenable number.

20031001113 is a deficient number, since it is larger than the sum of its proper divisors (6677000375).

20031001113 is an equidigital number, since it uses as much as digits as its factorization.

20031001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677000374.

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

Adding to 20031001113 its reverse (31110013002), we get a palindrome (51141014115).

The spelling of 20031001113 in words is "twenty billion, thirty-one million, one thousand, one hundred thirteen".