5131801522 has 16 divisors (see below), whose sum is σ = 7851820032. Its totient is φ = 2515015440.

The previous prime is 5131801511. The next prime is 5131801573. The reversal of 5131801522 is 2251081315.

It is a super-2 number, since 2×5131801522² = 52670773722403032968, which contains 22 as substring.

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, 100629 + ... + 142792.

It is an arithmetic number, because the mean of its divisors is an integer number (490738752).

Almost surely, 2^5131801522 is an apocalyptic number.

5131801522 is a deficient number, since it is larger than the sum of its proper divisors (2720018510).

5131801522 is a wasteful number, since it uses less digits than its factorization.

5131801522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243633.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 5131801522 is about 71636.5934561380. The cubic root of 5131801522 is about 1724.8709863045.

Adding to 5131801522 its reverse (2251081315), we get a palindrome (7382882837).

The spelling of 5131801522 in words is "five billion, one hundred thirty-one million, eight hundred one thousand, five hundred twenty-two".