99700131 has 4 divisors (see below), whose sum is σ = 132933512. Its totient is φ = 66466752.

The previous prime is 99700129. The next prime is 99700171. The reversal of 99700131 is 13100799.

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

It is not a de Polignac number, because 99700131 - 2¹ = 99700129 is a prime.

It is a super-2 number, since 2×99700131² = 19880232242834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99700171) 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, 16616686 + ... + 16616691.

It is an arithmetic number, because the mean of its divisors is an integer number (33233378).

Almost surely, 2^99700131 is an apocalyptic number.

99700131 is a deficient number, since it is larger than the sum of its proper divisors (33233381).

99700131 is a wasteful number, since it uses less digits than its factorization.

99700131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33233380.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 99700131 is about 9984.9952929383. The cubic root of 99700131 is about 463.6944626329.

The spelling of 99700131 in words is "ninety-nine million, seven hundred thousand, one hundred thirty-one".