98122931 has 4 divisors (see below), whose sum is σ = 98150712. Its totient is φ = 98095152.

The previous prime is 98122919. The next prime is 98122939. The reversal of 98122931 is 13922189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98122931 is a prime.

It is a super-2 number, since 2×98122931² = 19256219176061522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98122891 and 98122900.

It is not an unprimeable number, because it can be changed into a prime (98122939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7661 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (24537678).

Almost surely, 2^98122931 is an apocalyptic number.

98122931 is a deficient number, since it is larger than the sum of its proper divisors (27781).

98122931 is a wasteful number, since it uses less digits than its factorization.

98122931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27780.

The product of its digits is 7776, while the sum is 35.

The square root of 98122931 is about 9905.7019438301. The cubic root of 98122931 is about 461.2363260513.

The spelling of 98122931 in words is "ninety-eight million, one hundred twenty-two thousand, nine hundred thirty-one".