5131523232 has 192 divisors, whose sum is σ = 16427214720. Its totient is φ = 1545523200.

The previous prime is 5131523167. The next prime is 5131523237. The reversal of 5131523232 is 2323251315.

It is a happy number.

5131523232 is a `hidden beast` number, since 5 + 131 + 523 + 2 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5131523196 and 5131523205.

It is not an unprimeable number, because it can be changed into a prime (5131523237) 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, 1642632 + ... + 1645752.

It is an arithmetic number, because the mean of its divisors is an integer number (85558410).

Almost surely, 2^5131523232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5131523232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8213607360).

5131523232 is an abundant number, since it is smaller than the sum of its proper divisors (11295691488).

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

5131523232 is a wasteful number, since it uses less digits than its factorization.

5131523232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 3310 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 5131523232 is about 71634.6510565941. The cubic root of 5131523232 is about 1724.8398066741.

Adding to 5131523232 its reverse (2323251315), we get a palindrome (7454774547).

It can be divided in two parts, 51315 and 23232, that added together give a palindrome (74547).

The spelling of 5131523232 in words is "five billion, one hundred thirty-one million, five hundred twenty-three thousand, two hundred thirty-two".