5131821200 has 60 divisors (see below), whose sum is σ = 13450048368. Its totient is φ = 1866115200.

The previous prime is 5131821187. The next prime is 5131821209. The reversal of 5131821200 is 21281315.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5131821209) 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, 578762 + ... + 587561.

Almost surely, 2^5131821200 is an apocalyptic number.

5131821200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5131821200 is an abundant number, since it is smaller than the sum of its proper divisors (8318227168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131821200 is a wasteful number, since it uses less digits than its factorization.

5131821200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166352 (or 1166341 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 5131821200 is about 71636.7308020125. The cubic root of 5131821200 is about 1724.8731909862.

The spelling of 5131821200 in words is "five billion, one hundred thirty-one million, eight hundred twenty-one thousand, two hundred".