98199131 has 4 divisors (see below), whose sum is σ = 98218992. Its totient is φ = 98179272.

The previous prime is 98199119. The next prime is 98199139. The reversal of 98199131 is 13199189.

It is a happy number.

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-98199131 is a prime.

It is a super-2 number, since 2×98199131² = 19286138658310322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98199139) 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, 4010 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (24554748).

Almost surely, 2^98199131 is an apocalyptic number.

98199131 is a deficient number, since it is larger than the sum of its proper divisors (19861).

98199131 is a wasteful number, since it uses less digits than its factorization.

98199131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860.

The product of its digits is 17496, while the sum is 41.

The square root of 98199131 is about 9909.5474669634. The cubic root of 98199131 is about 461.3556903144.

The spelling of 98199131 in words is "ninety-eight million, one hundred ninety-nine thousand, one hundred thirty-one".