51031353130 has 16 divisors (see below), whose sum is σ = 91954485000. Its totient is φ = 20390752512.

The previous prime is 51031353119. The next prime is 51031353133. The reversal of 51031353130 is 3135313015.

It can be written as a sum of positive squares in 4 ways, for example, as 23587123561 + 27444229569 = 153581^2 + 165663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51031353095 and 51031353104.

It is not an unprimeable number, because it can be changed into a prime (51031353133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2713755 + ... + 2732494.

Almost surely, 2^51031353130 is an apocalyptic number.

51031353130 is a deficient number, since it is larger than the sum of its proper divisors (40923131870).

51031353130 is a wasteful number, since it uses less digits than its factorization.

51031353130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447193.

The product of its (nonzero) digits is 2025, while the sum is 25.

Adding to 51031353130 its reverse (3135313015), we get a palindrome (54166666145).

The spelling of 51031353130 in words is "fifty-one billion, thirty-one million, three hundred fifty-three thousand, one hundred thirty".