61310060300 has 72 divisors (see below), whose sum is σ = 134876804832. Its totient is φ = 24187840000.

The previous prime is 61310060233. The next prime is 61310060341. The reversal of 61310060300 is 306001316.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2644760 + ... + 2667840.

It is an arithmetic number, because the mean of its divisors is an integer number (1873288956).

Almost surely, 2^61310060300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61310060300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67438402416).

61310060300 is an abundant number, since it is smaller than the sum of its proper divisors (73566744532).

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

61310060300 is a wasteful number, since it uses less digits than its factorization.

61310060300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23459 (or 23452 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 61310060300 its reverse (306001316), we get a palindrome (61616061616).

The spelling of 61310060300 in words is "sixty-one billion, three hundred ten million, sixty thousand, three hundred".