99031003 has 4 divisors (see below), whose sum is σ = 100284640. Its totient is φ = 97777368.

The previous prime is 99030989. The next prime is 99031007. The reversal of 99031003 is 30013099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30013099 = 1741 ⋅17239.

It is a cyclic number.

It is not a de Polignac number, because 99031003 - 2¹³ = 99022811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99031007) 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, 626700 + ... + 626857.

It is an arithmetic number, because the mean of its divisors is an integer number (25071160).

Almost surely, 2^99031003 is an apocalyptic number.

99031003 is a deficient number, since it is larger than the sum of its proper divisors (1253637).

99031003 is a wasteful number, since it uses less digits than its factorization.

99031003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253636.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 99031003 is about 9951.4322084814. The cubic root of 99031003 is about 462.6547860781.

The spelling of 99031003 in words is "ninety-nine million, thirty-one thousand, three".