981318371 has 8 divisors (see below), whose sum is σ = 1074482688. Its totient is φ = 888813000.

The previous prime is 981318337. The next prime is 981318397. The reversal of 981318371 is 173813189.

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 981318371 - 2²⁶ = 914209507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981318271) 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, 161615 + ... + 167576.

It is an arithmetic number, because the mean of its divisors is an integer number (134310336).

Almost surely, 2^981318371 is an apocalyptic number.

981318371 is a deficient number, since it is larger than the sum of its proper divisors (93164317).

981318371 is a wasteful number, since it uses less digits than its factorization.

981318371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329473.

The product of its digits is 36288, while the sum is 41.

The square root of 981318371 is about 31326.0015163123. The cubic root of 981318371 is about 993.7336046449.

The spelling of 981318371 in words is "nine hundred eighty-one million, three hundred eighteen thousand, three hundred seventy-one".