201401432331 has 32 divisors (see below), whose sum is σ = 294064412928. Its totient is φ = 121596733440.

The previous prime is 201401432327. The next prime is 201401432359. The reversal of 201401432331 is 133234104102.

It is a happy number.

It is not a de Polignac number, because 201401432331 - 2² = 201401432327 is a prime.

It is a super-2 number, since 2×201401432331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201401432311) 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, 14416956 + ... + 14430918.

It is an arithmetic number, because the mean of its divisors is an integer number (9189512904).

Almost surely, 2^201401432331 is an apocalyptic number.

201401432331 is a deficient number, since it is larger than the sum of its proper divisors (92662980597).

201401432331 is a wasteful number, since it uses less digits than its factorization.

201401432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15611.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201401432331 its reverse (133234104102), we get a palindrome (334635536433).

The spelling of 201401432331 in words is "two hundred one billion, four hundred one million, four hundred thirty-two thousand, three hundred thirty-one".