20010331101113 has 4 divisors (see below), whose sum is σ = 20096212350708. Its totient is φ = 19924449851520.

The previous prime is 20010331101067. The next prime is 20010331101121. The reversal of 20010331101113 is 31110113301002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3714512272249 + 16295818828864 = 1927307^2 + 4036808^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010331101113 - 2⁸ = 20010331100857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010331101091 and 20010331101100.

It is not an unprimeable number, because it can be changed into a prime (20010331101133) 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, 42940624448 + ... + 42940624913.

It is an arithmetic number, because the mean of its divisors is an integer number (5024053087677).

Almost surely, 2^{20010331101113} is an apocalyptic number.

It is an amenable number.

20010331101113 is a deficient number, since it is larger than the sum of its proper divisors (85881249595).

20010331101113 is an equidigital number, since it uses as much as digits as its factorization.

20010331101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85881249594.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 20010331101113 its reverse (31110113301002), we get a palindrome (51120444402115).

The spelling of 20010331101113 in words is "twenty trillion, ten billion, three hundred thirty-one million, one hundred one thousand, one hundred thirteen".