107318981 has 32 divisors (see below), whose sum is σ = 138915840. Its totient is φ = 80481600.

The previous prime is 107318969. The next prime is 107318983. The reversal of 107318981 is 189813701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107318981 is a prime.

It is a super-2 number, since 2×107318981² = 23034727365756722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107318983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395876 + ... + 396146.

It is an arithmetic number, because the mean of its divisors is an integer number (4341120).

Almost surely, 2^107318981 is an apocalyptic number.

107318981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

107318981 is a deficient number, since it is larger than the sum of its proper divisors (31596859).

107318981 is a wasteful number, since it uses less digits than its factorization.

107318981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 107318981 is about 10359.4874873229. The cubic root of 107318981 is about 475.2172317555.

The spelling of 107318981 in words is "one hundred seven million, three hundred eighteen thousand, nine hundred eighty-one".