5223205631 has 64 divisors (see below), whose sum is σ = 6674227200. Its totient is φ = 3989817216.

The previous prime is 5223205627. The next prime is 5223205643. The reversal of 5223205631 is 1365023225.

It is not a de Polignac number, because 5223205631 - 2² = 5223205627 is a prime.

It is a super-2 number, since 2×5223205631² = 54563754127420216322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5223205594 and 5223205603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223205601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18456416 + ... + 18456698.

It is an arithmetic number, because the mean of its divisors is an integer number (104284800).

Almost surely, 2^5223205631 is an apocalyptic number.

5223205631 is a deficient number, since it is larger than the sum of its proper divisors (1451021569).

5223205631 is a wasteful number, since it uses less digits than its factorization.

5223205631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5223205631 is about 72271.7484982894. The cubic root of 5223205631 is about 1735.0515179857.

Adding to 5223205631 its reverse (1365023225), we get a palindrome (6588228856).

The spelling of 5223205631 in words is "five billion, two hundred twenty-three million, two hundred five thousand, six hundred thirty-one".