204044155031 has 16 divisors (see below), whose sum is σ = 209537845920. Its totient is φ = 198621696000.

The previous prime is 204044154997. The next prime is 204044155057. The reversal of 204044155031 is 130551440402.

It is a cyclic number.

It is not a de Polignac number, because 204044155031 - 2¹⁰ = 204044154007 is a prime.

It is a super-2 number, since 2×204044155031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204044154985 and 204044155003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204044155061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7273031 + ... + 7301031.

It is an arithmetic number, because the mean of its divisors is an integer number (13096115370).

Almost surely, 2^204044155031 is an apocalyptic number.

204044155031 is a deficient number, since it is larger than the sum of its proper divisors (5493690889).

204044155031 is a wasteful number, since it uses less digits than its factorization.

204044155031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29266.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 204044155031 its reverse (130551440402), we get a palindrome (334595595433).

The spelling of 204044155031 in words is "two hundred four billion, forty-four million, one hundred fifty-five thousand, thirty-one".