204441213431 has 8 divisors (see below), whose sum is σ = 251619955104. Its totient is φ = 161755685280.

The previous prime is 204441213413. The next prime is 204441213433. The reversal of 204441213431 is 134312144402.

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

It is not a de Polignac number, because 204441213431 - 2¹⁴ = 204441197047 is a prime.

It is a super-2 number, since 2×204441213431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204441213394 and 204441213403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204441213433) 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, 1123303280 + ... + 1123303461.

It is an arithmetic number, because the mean of its divisors is an integer number (31452494388).

Almost surely, 2^204441213431 is an apocalyptic number.

204441213431 is a deficient number, since it is larger than the sum of its proper divisors (47178741673).

204441213431 is a wasteful number, since it uses less digits than its factorization.

204441213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246606761.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 204441213431 its reverse (134312144402), we get a palindrome (338753357833).

The spelling of 204441213431 in words is "two hundred four billion, four hundred forty-one million, two hundred thirteen thousand, four hundred thirty-one".