5221205031 has 32 divisors (see below), whose sum is σ = 8026905600. Its totient is φ = 2957101056.

The previous prime is 5221205023. The next prime is 5221205047. The reversal of 5221205031 is 1305021225.

It is not a de Polignac number, because 5221205031 - 2³ = 5221205023 is a prime.

It is a super-2 number, since 2×5221205031² = 54521963951479421922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 5221204989 and 5221205007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221205021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478590 + ... + 1482116.

It is an arithmetic number, because the mean of its divisors is an integer number (250840800).

Almost surely, 2^5221205031 is an apocalyptic number.

5221205031 is a deficient number, since it is larger than the sum of its proper divisors (2805700569).

5221205031 is a wasteful number, since it uses less digits than its factorization.

5221205031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 5221205031 is about 72257.9063563289. The cubic root of 5221205031 is about 1734.8299690251.

Adding to 5221205031 its reverse (1305021225), we get a palindrome (6526226256).

The spelling of 5221205031 in words is "five billion, two hundred twenty-one million, two hundred five thousand, thirty-one".