61331107 has 8 divisors (see below), whose sum is σ = 65338560. Its totient is φ = 57401640.

The previous prime is 61331093. The next prime is 61331111. The reversal of 61331107 is 70113316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61331107 - 2¹⁹ = 60806819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61331117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17869 + ... + 21022.

It is an arithmetic number, because the mean of its divisors is an integer number (8167320).

Almost surely, 2^61331107 is an apocalyptic number.

61331107 is a deficient number, since it is larger than the sum of its proper divisors (4007453).

61331107 is a wasteful number, since it uses less digits than its factorization.

61331107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38993.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 61331107 is about 7831.4179431314. The cubic root of 61331107 is about 394.3606749100.

The spelling of 61331107 in words is "sixty-one million, three hundred thirty-one thousand, one hundred seven".