98915131 has 4 divisors (see below), whose sum is σ = 113045872. Its totient is φ = 84784392.

The previous prime is 98915107. The next prime is 98915137. The reversal of 98915131 is 13151989.

It is a happy number.

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

It is not a de Polignac number, because 98915131 - 2¹¹ = 98913083 is a prime.

It is a super-2 number, since 2×98915131² = 19568406281494322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98915137) 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, 7065360 + ... + 7065373.

It is an arithmetic number, because the mean of its divisors is an integer number (28261468).

Almost surely, 2^98915131 is an apocalyptic number.

98915131 is a deficient number, since it is larger than the sum of its proper divisors (14130741).

98915131 is a wasteful number, since it uses less digits than its factorization.

98915131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14130740.

The product of its digits is 9720, while the sum is 37.

The square root of 98915131 is about 9945.6086289377. The cubic root of 98915131 is about 462.4742713713.

The spelling of 98915131 in words is "ninety-eight million, nine hundred fifteen thousand, one hundred thirty-one".