9999954031 has 2 divisors, whose sum is σ = 9999954032. Its totient is φ = 9999954030.

The previous prime is 9999953987. The next prime is 9999954067. The reversal of 9999954031 is 1304599999.

It is a strong prime.

It is an emirp because it is prime and its reverse (1304599999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9999954031 - 2⁹ = 9999953519 is a prime.

It is a super-2 number, since 2×9999954031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999954091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999977015 + 4999977016.

It is an arithmetic number, because the mean of its divisors is an integer number (4999977016).

Almost surely, 2^9999954031 is an apocalyptic number.

9999954031 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999954031 is an equidigital number, since it uses as much as digits as its factorization.

9999954031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3542940, while the sum is 58.

The square root of 9999954031 is about 99999.7701547359. The cubic root of 9999954031 is about 2154.4313887865.

The spelling of 9999954031 in words is "nine billion, nine hundred ninety-nine million, nine hundred fifty-four thousand, thirty-one".