201000132431 has 8 divisors (see below), whose sum is σ = 234402487200. Its totient is φ = 172285827504.

The previous prime is 201000132391. The next prime is 201000132449. The reversal of 201000132431 is 134231000102.

It is not a de Polignac number, because 201000132431 - 2¹⁸ = 200999870287 is a prime.

It is a super-2 number, since 2×201000132431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000132031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293002766 + ... + 293003451.

It is an arithmetic number, because the mean of its divisors is an integer number (29300310900).

Almost surely, 2^201000132431 is an apocalyptic number.

201000132431 is a deficient number, since it is larger than the sum of its proper divisors (33402354769).

201000132431 is an frugal number, since it uses more digits than its factorization.

201000132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586006238 (or 586006224 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201000132431 its reverse (134231000102), we get a palindrome (335231132533).

The spelling of 201000132431 in words is "two hundred one billion, one hundred thirty-two thousand, four hundred thirty-one".