10100031111 has 12 divisors (see below), whose sum is σ = 14806679992. Its totient is φ = 6632855856.

The previous prime is 10100031107. The next prime is 10100031127. The reversal of 10100031111 is 11113000101.

It is not a de Polignac number, because 10100031111 - 2² = 10100031107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100031093 and 10100031102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100031181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8374216 + ... + 8375421.

Almost surely, 2^10100031111 is an apocalyptic number.

10100031111 is a deficient number, since it is larger than the sum of its proper divisors (4706648881).

10100031111 is a wasteful number, since it uses less digits than its factorization.

10100031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16749710 (or 16749707 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 10100031111 its reverse (11113000101), we get a palindrome (21213031212).

The spelling of 10100031111 in words is "ten billion, one hundred million, thirty-one thousand, one hundred eleven".