2031100011 has 12 divisors (see below), whose sum is σ = 2942521192. Its totient is φ = 1350046656.

The previous prime is 2031099991. The next prime is 2031100013. The reversal of 2031100011 is 1100011302.

It is not a de Polignac number, because 2031100011 - 2⁶ = 2031099947 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 = 2031099966 and 2031100002.

It is not an unprimeable number, because it can be changed into a prime (2031100013) 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, 331801 + ... + 337866.

Almost surely, 2^2031100011 is an apocalyptic number.

2031100011 is a deficient number, since it is larger than the sum of its proper divisors (911421181).

2031100011 is a wasteful number, since it uses less digits than its factorization.

2031100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670010 (or 670007 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2031100011 is about 45067.7269340267. The cubic root of 2031100011 is about 1266.4180821585.

Adding to 2031100011 its reverse (1100011302), we get a palindrome (3131111313).

The spelling of 2031100011 in words is "two billion, thirty-one million, one hundred thousand, eleven".