203241211311 has 32 divisors (see below), whose sum is σ = 275478278400. Its totient is φ = 133269007104.

The previous prime is 203241211291. The next prime is 203241211331. The reversal of 203241211311 is 113112142302.

It is an interprime number because it is at equal distance from previous prime (203241211291) and next prime (203241211331).

It is not a de Polignac number, because 203241211311 - 2¹¹ = 203241209263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203241211331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101976531 + ... + 101978523.

It is an arithmetic number, because the mean of its divisors is an integer number (8608696200).

Almost surely, 2^203241211311 is an apocalyptic number.

203241211311 is a deficient number, since it is larger than the sum of its proper divisors (72237067089).

203241211311 is a wasteful number, since it uses less digits than its factorization.

203241211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 203241211311 its reverse (113112142302), we get a palindrome (316353353613).

The spelling of 203241211311 in words is "two hundred three billion, two hundred forty-one million, two hundred eleven thousand, three hundred eleven".