201031331132 has 12 divisors (see below), whose sum is σ = 351810919320. Its totient is φ = 100513925616.

The previous prime is 201031331131. The next prime is 201031331147. The reversal of 201031331132 is 231133130102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031331131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155003 + ... + 652754.

It is an arithmetic number, because the mean of its divisors is an integer number (29317576610).

Almost surely, 2^201031331132 is an apocalyptic number.

It is an amenable number.

201031331132 is a deficient number, since it is larger than the sum of its proper divisors (150779588188).

201031331132 is a wasteful number, since it uses less digits than its factorization.

201031331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869980 (or 869978 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201031331132 its reverse (231133130102), we get a palindrome (432164461234).

The spelling of 201031331132 in words is "two hundred one billion, thirty-one million, three hundred thirty-one thousand, one hundred thirty-two".