99461431 has 2 divisors, whose sum is σ = 99461432. Its totient is φ = 99461430.

The previous prime is 99461419. The next prime is 99461437. The reversal of 99461431 is 13416499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99461431 - 2⁷ = 99461303 is a prime.

It is a super-2 number, since 2×99461431² = 19785152513135522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99461437) 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 as a sum of consecutive naturals, namely, 49730715 + 49730716.

It is an arithmetic number, because the mean of its divisors is an integer number (49730716).

Almost surely, 2^99461431 is an apocalyptic number.

99461431 is a deficient number, since it is larger than the sum of its proper divisors (1).

99461431 is an equidigital number, since it uses as much as digits as its factorization.

99461431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 99461431 is about 9973.0351949645. The cubic root of 99461431 is about 463.3241110023.

The spelling of 99461431 in words is "ninety-nine million, four hundred sixty-one thousand, four hundred thirty-one".