201040032154431 has 32 divisors (see below), whose sum is σ = 273584134897920. Its totient is φ = 131278079268864.

The previous prime is 201040032154427. The next prime is 201040032154459. The reversal of 201040032154431 is 134451230040102.

It is not a de Polignac number, because 201040032154431 - 2² = 201040032154427 is a prime.

It is a super-2 number, since 2×201040032154431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201040032154231) 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, 148923321 + ... + 150267213.

It is an arithmetic number, because the mean of its divisors is an integer number (8549504215560).

Almost surely, 2^{201040032154431} is an apocalyptic number.

201040032154431 is a deficient number, since it is larger than the sum of its proper divisors (72544102743489).

201040032154431 is a wasteful number, since it uses less digits than its factorization.

201040032154431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347015.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 201040032154431 its reverse (134451230040102), we get a palindrome (335491262194533).

The spelling of 201040032154431 in words is "two hundred one trillion, forty billion, thirty-two million, one hundred fifty-four thousand, four hundred thirty-one".