5131531450 has 12 divisors (see below), whose sum is σ = 9544648590. Its totient is φ = 2052612560.

The previous prime is 5131531441. The next prime is 5131531507. The reversal of 5131531450 is 541351315.

It can be written as a sum of positive squares in 3 ways, for example, as 2939699961 + 2191831489 = 54219^2 + 46817^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51315265 + ... + 51315364.

Almost surely, 2^5131531450 is an apocalyptic number.

5131531450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5131531450 is a deficient number, since it is larger than the sum of its proper divisors (4413117140).

5131531450 is a wasteful number, since it uses less digits than its factorization.

5131531450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102630641 (or 102630636 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5131531450 is about 71634.7084170795. The cubic root of 5131531450 is about 1724.8407274355.

Adding to 5131531450 its reverse (541351315), we get a palindrome (5672882765).

The spelling of 5131531450 in words is "five billion, one hundred thirty-one million, five hundred thirty-one thousand, four hundred fifty".