98311321 has 8 divisors (see below), whose sum is σ = 100366344. Its totient is φ = 96270720.

The previous prime is 98311319. The next prime is 98311349. The reversal of 98311321 is 12311389.

It can be written as a sum of positive squares in 4 ways, for example, as 4096 + 98307225 = 64^2 + 9915^2 .

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 98311321 - 2¹ = 98311319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98311321.

It is not an unprimeable number, because it can be changed into a prime (98311021) 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, 10755 + ... + 17671.

It is an arithmetic number, because the mean of its divisors is an integer number (12545793).

Almost surely, 2^98311321 is an apocalyptic number.

It is an amenable number.

98311321 is a deficient number, since it is larger than the sum of its proper divisors (2055023).

98311321 is a wasteful number, since it uses less digits than its factorization.

98311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211.

The product of its digits is 1296, while the sum is 28.

The square root of 98311321 is about 9915.2065535721. The cubic root of 98311321 is about 461.5313191466.

The spelling of 98311321 in words is "ninety-eight million, three hundred eleven thousand, three hundred twenty-one".