201311234241 has 16 divisors (see below), whose sum is σ = 291002308800. Its totient is φ = 123052397760.

The previous prime is 201311234207. The next prime is 201311234339. The reversal of 201311234241 is 142432113102.

It is not a de Polignac number, because 201311234241 - 2¹³ = 201311226049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201311234041) 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, 17315755 + ... + 17327376.

It is an arithmetic number, because the mean of its divisors is an integer number (18187644300).

Almost surely, 2^201311234241 is an apocalyptic number.

It is an amenable number.

201311234241 is a deficient number, since it is larger than the sum of its proper divisors (89691074559).

201311234241 is a wasteful number, since it uses less digits than its factorization.

201311234241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34643296.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 201311234241 its reverse (142432113102), we get a palindrome (343743347343).

The spelling of 201311234241 in words is "two hundred one billion, three hundred eleven million, two hundred thirty-four thousand, two hundred forty-one".