20103333231 has 8 divisors (see below), whose sum is σ = 26807183104. Its totient is φ = 13400852760.

The previous prime is 20103333227. The next prime is 20103333329. The reversal of 20103333231 is 13233330102.

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

It is not a de Polignac number, because 20103333231 - 2² = 20103333227 is a prime.

It is a super-2 number, since 2×20103333231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20103333198 and 20103333207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103333431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307591 + ... + 367176.

It is an arithmetic number, because the mean of its divisors is an integer number (3350897888).

Almost surely, 2^20103333231 is an apocalyptic number.

20103333231 is a deficient number, since it is larger than the sum of its proper divisors (6703849873).

20103333231 is an equidigital number, since it uses as much as digits as its factorization.

20103333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684701.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20103333231 its reverse (13233330102), we get a palindrome (33336663333).

The spelling of 20103333231 in words is "twenty billion, one hundred three million, three hundred thirty-three thousand, two hundred thirty-one".