20203141311 has 8 divisors (see below), whose sum is σ = 29930579760. Its totient is φ = 13468760856.

The previous prime is 20203141271. The next prime is 20203141333. The reversal of 20203141311 is 11314130202.

20203141311 is a `hidden beast` number, since 20 + 20 + 314 + 1 + 311 = 666.

It is not a de Polignac number, because 20203141311 - 2⁷ = 20203141183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203141381) 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, 374132220 + ... + 374132273.

It is an arithmetic number, because the mean of its divisors is an integer number (3741322470).

Almost surely, 2^20203141311 is an apocalyptic number.

20203141311 is a deficient number, since it is larger than the sum of its proper divisors (9727438449).

20203141311 is an equidigital number, since it uses as much as digits as its factorization.

20203141311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748264502 (or 748264496 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20203141311 its reverse (11314130202), we get a palindrome (31517271513).

It can be divided in two parts, 202031 and 41311, that added together give a palindrome (243342).

The spelling of 20203141311 in words is "twenty billion, two hundred three million, one hundred forty-one thousand, three hundred eleven".