20031103130 has 8 divisors (see below), whose sum is σ = 36055985652. Its totient is φ = 8012441248.

The previous prime is 20031103109. The next prime is 20031103171. The reversal of 20031103130 is 3130113002.

It can be written as a sum of positive squares in 2 ways, for example, as 18746812561 + 1284290569 = 136919^2 + 35837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001555147 + ... + 1001555166.

Almost surely, 2^20031103130 is an apocalyptic number.

20031103130 is a deficient number, since it is larger than the sum of its proper divisors (16024882522).

20031103130 is a wasteful number, since it uses less digits than its factorization.

20031103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003110320.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20031103130 its reverse (3130113002), we get a palindrome (23161216132).

The spelling of 20031103130 in words is "twenty billion, thirty-one million, one hundred three thousand, one hundred thirty".