61318107 has 8 divisors (see below), whose sum is σ = 90841680. Its totient is φ = 40878720.

The previous prime is 61318057. The next prime is 61318121. The reversal of 61318107 is 70181316.

It is not a de Polignac number, because 61318107 - 2¹⁰ = 61317083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2271041 = 61318107 / (6 + 1 + 3 + 1 + 8 + 1 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (61318157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135494 + ... + 1135547.

It is an arithmetic number, because the mean of its divisors is an integer number (11355210).

Almost surely, 2^61318107 is an apocalyptic number.

61318107 is a deficient number, since it is larger than the sum of its proper divisors (29523573).

61318107 is a wasteful number, since it uses less digits than its factorization.

61318107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271050 (or 2271044 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 61318107 is about 7830.5879089632. The cubic root of 61318107 is about 394.3328094906.

It can be divided in two parts, 61318 and 107, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 61318107 in words is "sixty-one million, three hundred eighteen thousand, one hundred seven".