5221351431 has 12 divisors (see below), whose sum is σ = 7648177680. Its totient is φ = 3431873760.

The previous prime is 5221351427. The next prime is 5221351451. The reversal of 5221351431 is 1341531225.

5221351431 is a `hidden beast` number, since 5 + 221 + 3 + 5 + 1 + 431 = 666.

It is not a de Polignac number, because 5221351431 - 2² = 5221351427 is a prime.

It is a super-2 number, since 2×5221351431² = 54525021532011495522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5221351395 and 5221351404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221351451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4084926 + ... + 4086203.

It is an arithmetic number, because the mean of its divisors is an integer number (637348140).

Almost surely, 2^5221351431 is an apocalyptic number.

5221351431 is a deficient number, since it is larger than the sum of its proper divisors (2426826249).

5221351431 is a wasteful number, since it uses less digits than its factorization.

5221351431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171206 (or 8171203 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5221351431 is about 72258.9193871594. The cubic root of 5221351431 is about 1734.8461834642.

Adding to 5221351431 its reverse (1341531225), we get a palindrome (6562882656).

The spelling of 5221351431 in words is "five billion, two hundred twenty-one million, three hundred fifty-one thousand, four hundred thirty-one".