51201315030 has 32 divisors (see below), whose sum is σ = 123077945088. Its totient is φ = 13632040800.

The previous prime is 51201314987. The next prime is 51201315031. The reversal of 51201315030 is 3051310215.

It is a junction number, because it is equal to n+sod(n) for n = 51201314988 and 51201315006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51201315031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333456 + ... + 1371315.

It is an arithmetic number, because the mean of its divisors is an integer number (3846185784).

Almost surely, 2^51201315030 is an apocalyptic number.

51201315030 is an abundant number, since it is smaller than the sum of its proper divisors (71876630058).

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

51201315030 is a wasteful number, since it uses less digits than its factorization.

51201315030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705412.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 51201315030 its reverse (3051310215), we get a palindrome (54252625245).

The spelling of 51201315030 in words is "fifty-one billion, two hundred one million, three hundred fifteen thousand, thirty".