61331104 has 24 divisors (see below), whose sum is σ = 127849428. Its totient is φ = 28861440.

The previous prime is 61331093. The next prime is 61331111. The reversal of 61331104 is 40113316.

It can be written as a sum of positive squares in 2 ways, for example, as 60031504 + 1299600 = 7748^2 + 1140^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55827 + ... + 56914.

Almost surely, 2^61331104 is an apocalyptic number.

It is an amenable number.

61331104 is an abundant number, since it is smaller than the sum of its proper divisors (66518324).

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

61331104 is a wasteful number, since it uses less digits than its factorization.

61331104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112768 (or 112760 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61331104 is about 7831.4177515952. The cubic root of 61331104 is about 394.3606684799.

The spelling of 61331104 in words is "sixty-one million, three hundred thirty-one thousand, one hundred four".