201132431434 has 16 divisors (see below), whose sum is σ = 329144402016. Its totient is φ = 91418664400.

The previous prime is 201132431431. The next prime is 201132431441. The reversal of 201132431434 is 434134231102.

It is a happy number.

201132431434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201132431434² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201132431431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154269 + ... + 652735.

It is an arithmetic number, because the mean of its divisors is an integer number (20571525126).

Almost surely, 2^201132431434 is an apocalyptic number.

201132431434 is a deficient number, since it is larger than the sum of its proper divisors (128011970582).

201132431434 is a wasteful number, since it uses less digits than its factorization.

201132431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516821.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 201132431434 its reverse (434134231102), we get a palindrome (635266662536).

The spelling of 201132431434 in words is "two hundred one billion, one hundred thirty-two million, four hundred thirty-one thousand, four hundred thirty-four".