61310112 has 48 divisors (see below), whose sum is σ = 169414560. Its totient is φ = 19360512.

The previous prime is 61310107. The next prime is 61310113. The reversal of 61310112 is 21101316.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 61310091 and 61310100.

It is not an unprimeable number, because it can be changed into a prime (61310113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14983 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (3529470).

Almost surely, 2^61310112 is an apocalyptic number.

It is an amenable number.

61310112 is an abundant number, since it is smaller than the sum of its proper divisors (108104448).

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

61310112 is a wasteful number, since it uses less digits than its factorization.

61310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33645 (or 33637 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 61310112 is about 7830.0773942535. The cubic root of 61310112 is about 394.3156703018.

Adding to 61310112 its reverse (21101316), we get a palindrome (82411428).

The spelling of 61310112 in words is "sixty-one million, three hundred ten thousand, one hundred twelve".