201401431441 has 32 divisors (see below), whose sum is σ = 243329299200. Its totient is φ = 162842296320.

The previous prime is 201401431423. The next prime is 201401431481. The reversal of 201401431441 is 144134104102.

It is a cyclic number.

It is not a de Polignac number, because 201401431441 - 2¹⁹ = 201400907153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201401431411) 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, 33160381 + ... + 33166453.

It is an arithmetic number, because the mean of its divisors is an integer number (7604040600).

Almost surely, 2^201401431441 is an apocalyptic number.

It is an amenable number.

201401431441 is a deficient number, since it is larger than the sum of its proper divisors (41927867759).

201401431441 is a wasteful number, since it uses less digits than its factorization.

201401431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 201401431441 its reverse (144134104102), we get a palindrome (345535535543).

The spelling of 201401431441 in words is "two hundred one billion, four hundred one million, four hundred thirty-one thousand, four hundred forty-one".