51200131 has 8 divisors (see below), whose sum is σ = 51645440. Its totient is φ = 50757192.

The previous prime is 51200129. The next prime is 51200147. The reversal of 51200131 is 13100215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51200131 - 2¹ = 51200129 is a prime.

It is a super-2 number, since 2×51200131² = 5242906828834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51200101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97636 + ... + 98158.

It is an arithmetic number, because the mean of its divisors is an integer number (6455680).

Almost surely, 2^51200131 is an apocalyptic number.

51200131 is a deficient number, since it is larger than the sum of its proper divisors (445309).

51200131 is a wasteful number, since it uses less digits than its factorization.

51200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 51200131 is about 7155.4266818968. The cubic root of 51200131 is about 371.3274233805.

Adding to 51200131 its reverse (13100215), we get a palindrome (64300346).

The spelling of 51200131 in words is "fifty-one million, two hundred thousand, one hundred thirty-one".