108312061 has 24 divisors (see below), whose sum is σ = 131747672. Its totient is φ = 88387200.

The previous prime is 108312059. The next prime is 108312157. The reversal of 108312061 is 160213801.

It can be written as a sum of positive squares in 4 ways, for example, as 256036 + 108056025 = 506^2 + 10395^2 .

It is not a de Polignac number, because 108312061 - 2¹ = 108312059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108312011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57271 + ... + 59131.

Almost surely, 2^108312061 is an apocalyptic number.

108312061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108312061 is a deficient number, since it is larger than the sum of its proper divisors (23435611).

108312061 is a wasteful number, since it uses less digits than its factorization.

108312061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 108312061 is about 10407.3080573220. The cubic root of 108312061 is about 476.6785467125.

Adding to 108312061 its reverse (160213801), we get a palindrome (268525862).

The spelling of 108312061 in words is "one hundred eight million, three hundred twelve thousand, sixty-one".