31044000204101 has 4 divisors (see below), whose sum is σ = 31044039581100. Its totient is φ = 31043960827104.

The previous prime is 31044000204079. The next prime is 31044000204163. The reversal of 31044000204101 is 10140200044013.

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 9021769147876 + 22022231056225 = 3003626^2 + 4692785^2 .

It is a cyclic number.

It is not a de Polignac number, because 31044000204101 - 2⁴² = 26645953692997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044000204181) 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, 18481256 + ... + 20090913.

It is an arithmetic number, because the mean of its divisors is an integer number (7761009895275).

Almost surely, 2^{31044000204101} is an apocalyptic number.

It is an amenable number.

31044000204101 is a deficient number, since it is larger than the sum of its proper divisors (39376999).

31044000204101 is an equidigital number, since it uses as much as digits as its factorization.

31044000204101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39376998.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31044000204101 its reverse (10140200044013), we get a palindrome (41184200248114).

The spelling of 31044000204101 in words is "thirty-one trillion, forty-four billion, two hundred four thousand, one hundred one".