61322312 has 16 divisors (see below), whose sum is σ = 115441200. Its totient is φ = 30538000.

The previous prime is 61322311. The next prime is 61322323. The reversal of 61322312 is 21322316.

It is a happy number.

61322312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61322311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13262 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (7215075).

Almost surely, 2^61322312 is an apocalyptic number.

It is an amenable number.

61322312 is a deficient number, since it is larger than the sum of its proper divisors (54118888).

61322312 is a wasteful number, since it uses less digits than its factorization.

61322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30796 (or 30792 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 61322312 is about 7830.8564027187. The cubic root of 61322312 is about 394.3418233129.

Adding to 61322312 its reverse (21322316), we get a palindrome (82644628).

The spelling of 61322312 in words is "sixty-one million, three hundred twenty-two thousand, three hundred twelve".