20130200231 has 16 divisors (see below), whose sum is σ = 21133052928. Its totient is φ = 19138336800.

The previous prime is 20130200227. The next prime is 20130200249. The reversal of 20130200231 is 13200203102.

It is a happy number.

It is not a de Polignac number, because 20130200231 - 2² = 20130200227 is a prime.

It is a super-2 number, since 2×20130200231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130200221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742236 + ... + 2749566.

It is an arithmetic number, because the mean of its divisors is an integer number (1320815808).

Almost surely, 2^20130200231 is an apocalyptic number.

20130200231 is a deficient number, since it is larger than the sum of its proper divisors (1002852697).

20130200231 is a wasteful number, since it uses less digits than its factorization.

20130200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20130200231 its reverse (13200203102), we get a palindrome (33330403333).

The spelling of 20130200231 in words is "twenty billion, one hundred thirty million, two hundred thousand, two hundred thirty-one".