51303130 has 32 divisors (see below), whose sum is σ = 94457664. Its totient is φ = 20057856.

The previous prime is 51303121. The next prime is 51303151. The reversal of 51303130 is 3130315.

It is a super-2 number, since 2×51303130² = 5264022295593800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93517 + ... + 94063.

It is an arithmetic number, because the mean of its divisors is an integer number (2951802).

Almost surely, 2^51303130 is an apocalyptic number.

51303130 is a deficient number, since it is larger than the sum of its proper divisors (43154534).

51303130 is a wasteful number, since it uses less digits than its factorization.

51303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 51303130 is about 7162.6203305774. The cubic root of 51303130 is about 371.5762556556.

Adding to 51303130 its reverse (3130315), we get a palindrome (54433445).

The spelling of 51303130 in words is "fifty-one million, three hundred three thousand, one hundred thirty".