99349131 has 32 divisors (see below), whose sum is σ = 154677760. Its totient is φ = 55551744.

The previous prime is 99349127. The next prime is 99349147. The reversal of 99349131 is 13194399.

It is not a de Polignac number, because 99349131 - 2² = 99349127 is a prime.

It is a super-2 number, since 2×99349131² = 19740499660910322, which contains 22 as substring.

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 99349131.

It is not an unprimeable number, because it can be changed into a prime (99349111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350916 + ... + 351198.

It is an arithmetic number, because the mean of its divisors is an integer number (4833680).

Almost surely, 2^99349131 is an apocalyptic number.

99349131 is a deficient number, since it is larger than the sum of its proper divisors (55328629).

99349131 is a wasteful number, since it uses less digits than its factorization.

99349131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its digits is 26244, while the sum is 39.

The square root of 99349131 is about 9967.4034231589. The cubic root of 99349131 is about 463.1496685343.

The spelling of 99349131 in words is "ninety-nine million, three hundred forty-nine thousand, one hundred thirty-one".