51323100231130 has 64 divisors (see below), whose sum is σ = 113761969896960. Its totient is φ = 16234120491264.

The previous prime is 51323100231121. The next prime is 51323100231181. The reversal of 51323100231130 is 3113200132315.

It is a junction number, because it is equal to n+sod(n) for n = 51323100231095 and 51323100231104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13586965 + ... + 16948504.

It is an arithmetic number, because the mean of its divisors is an integer number (1777530779640).

Almost surely, 2^{51323100231130} is an apocalyptic number.

51323100231130 is an abundant number, since it is smaller than the sum of its proper divisors (62438869665830).

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

51323100231130 is a wasteful number, since it uses less digits than its factorization.

51323100231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30537343.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 51323100231130 its reverse (3113200132315), we get a palindrome (54436300363445).

The spelling of 51323100231130 in words is "fifty-one trillion, three hundred twenty-three billion, one hundred million, two hundred thirty-one thousand, one hundred thirty".