98431313 has 4 divisors (see below), whose sum is σ = 99083328. Its totient is φ = 97779300.

The previous prime is 98431279. The next prime is 98431327. The reversal of 98431313 is 31313489.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98431313 - 2²⁰ = 97382737 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 98431313.

It is not an unprimeable number, because it can be changed into a prime (98431363) 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, 325781 + ... + 326082.

It is an arithmetic number, because the mean of its divisors is an integer number (24770832).

Almost surely, 2^98431313 is an apocalyptic number.

It is an amenable number.

98431313 is a deficient number, since it is larger than the sum of its proper divisors (652015).

98431313 is a wasteful number, since it uses less digits than its factorization.

98431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652014.

The product of its digits is 7776, while the sum is 32.

The square root of 98431313 is about 9921.2556161002. The cubic root of 98431313 is about 461.7190138757.

The spelling of 98431313 in words is "ninety-eight million, four hundred thirty-one thousand, three hundred thirteen".