20110411231 has 2 divisors, whose sum is σ = 20110411232. Its totient is φ = 20110411230.

The previous prime is 20110411207. The next prime is 20110411241. The reversal of 20110411231 is 13211401102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110411231 - 2¹¹ = 20110409183 is a prime.

It is a super-2 number, since 2×20110411231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110411241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055205615 + 10055205616.

It is an arithmetic number, because the mean of its divisors is an integer number (10055205616).

Almost surely, 2^20110411231 is an apocalyptic number.

20110411231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110411231 is an equidigital number, since it uses as much as digits as its factorization.

20110411231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20110411231 its reverse (13211401102), we get a palindrome (33321812333).

The spelling of 20110411231 in words is "twenty billion, one hundred ten million, four hundred eleven thousand, two hundred thirty-one".