20030031110 has 16 divisors (see below), whose sum is σ = 36056988000. Its totient is φ = 8011360896.

The previous prime is 20030031101. The next prime is 20030031121. The reversal of 20030031110 is 1113003002.

It is a junction number, because it is equal to n+sod(n) for n = 20030031091 and 20030031100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59246 + ... + 208734.

It is an arithmetic number, because the mean of its divisors is an integer number (2253561750).

Almost surely, 2^20030031110 is an apocalyptic number.

20030031110 is a deficient number, since it is larger than the sum of its proper divisors (16026956890).

20030031110 is a wasteful number, since it uses less digits than its factorization.

20030031110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162895.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20030031110 its reverse (1113003002), we get a palindrome (21143034112).

The spelling of 20030031110 in words is "twenty billion, thirty million, thirty-one thousand, one hundred ten".