99305131 has 2 divisors, whose sum is σ = 99305132. Its totient is φ = 99305130.

The previous prime is 99305071. The next prime is 99305147. The reversal of 99305131 is 13150399.

It is a strong prime.

It is an emirp because it is prime and its reverse (13150399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99305131 - 2¹⁷ = 99174059 is a prime.

It is a super-2 number, since 2×99305131² = 19723018085854322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99305093 and 99305102.

It is not a weakly prime, because it can be changed into another prime (99305161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49652565 + 49652566.

It is an arithmetic number, because the mean of its divisors is an integer number (49652566).

Almost surely, 2^99305131 is an apocalyptic number.

99305131 is a deficient number, since it is larger than the sum of its proper divisors (1).

99305131 is an equidigital number, since it uses as much as digits as its factorization.

99305131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 99305131 is about 9965.1959840236. The cubic root of 99305131 is about 463.0812847971.

The spelling of 99305131 in words is "ninety-nine million, three hundred five thousand, one hundred thirty-one".