61031022 has 32 divisors (see below), whose sum is σ = 135989280. Its totient is φ = 18130560.

The previous prime is 61031017. The next prime is 61031053. The reversal of 61031022 is 22013016.

61031022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61030992 and 61031010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11229 + ... + 15752.

It is an arithmetic number, because the mean of its divisors is an integer number (4249665).

Almost surely, 2^61031022 is an apocalyptic number.

61031022 is an abundant number, since it is smaller than the sum of its proper divisors (74958258).

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

61031022 is a wasteful number, since it uses less digits than its factorization.

61031022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27028.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 61031022 is about 7812.2354035193. The cubic root of 61031022 is about 393.7164381573.

Adding to 61031022 its reverse (22013016), we get a palindrome (83044038).

The spelling of 61031022 in words is "sixty-one million, thirty-one thousand, twenty-two".