51030692931330 has 192 divisors, whose sum is σ = 152176853537280. Its totient is φ = 11622469635072.

The previous prime is 51030692931259. The next prime is 51030692931349. The reversal of 51030692931330 is 3313929603015.

51030692931330 is a `hidden beast` number, since 5 + 1 + 0 + 306 + 9 + 2 + 9 + 3 + 1 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 228441652 + ... + 228664928.

It is an arithmetic number, because the mean of its divisors is an integer number (792587778840).

Almost surely, 2^{51030692931330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51030692931330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76088426768640).

51030692931330 is an abundant number, since it is smaller than the sum of its proper divisors (101146160605950).

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

51030692931330 is a wasteful number, since it uses less digits than its factorization.

51030692931330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224593 (or 224590 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 45.

The spelling of 51030692931330 in words is "fifty-one trillion, thirty billion, six hundred ninety-two million, nine hundred thirty-one thousand, three hundred thirty".