10099831 has 24 divisors (see below), whose sum is σ = 12439680. Its totient is φ = 8164800.

The previous prime is 10099823. The next prime is 10099841. The reversal of 10099831 is 13899001.

It is not a de Polignac number, because 10099831 - 2³ = 10099823 is a prime.

It is a super-2 number, since 2×10099831² = 204013172457122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 10099793 and 10099802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10099841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92605 + ... + 92713.

It is an arithmetic number, because the mean of its divisors is an integer number (518320).

Almost surely, 2^10099831 is an apocalyptic number.

10099831 is a deficient number, since it is larger than the sum of its proper divisors (2339849).

10099831 is a wasteful number, since it uses less digits than its factorization.

10099831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 10099831 is about 3178.0231276691. The cubic root of 10099831 is about 216.1580276472.

The spelling of 10099831 in words is "ten million, ninety-nine thousand, eight hundred thirty-one".