5131521022 has 16 divisors (see below), whose sum is σ = 7818481152. Its totient is φ = 2525422680.

The previous prime is 5131521001. The next prime is 5131521041. The reversal of 5131521022 is 2201251315.

It is a junction number, because it is equal to n+sod(n) for n = 5131520984 and 5131521002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158163 + ... + 187825.

It is an arithmetic number, because the mean of its divisors is an integer number (488655072).

Almost surely, 2^5131521022 is an apocalyptic number.

5131521022 is a deficient number, since it is larger than the sum of its proper divisors (2686960130).

5131521022 is a wasteful number, since it uses less digits than its factorization.

5131521022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31023.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5131521022 is about 71634.6356310968. The cubic root of 5131521022 is about 1724.8395590610.

Adding to 5131521022 its reverse (2201251315), we get a palindrome (7332772337).

The spelling of 5131521022 in words is "five billion, one hundred thirty-one million, five hundred twenty-one thousand, twenty-two".