201031134140 has 12 divisors (see below), whose sum is σ = 422165381736. Its totient is φ = 80412453648.

The previous prime is 201031134119. The next prime is 201031134149. The reversal of 201031134140 is 41431130102.

It is a super-2 number, since 2×201031134140² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10051556707 = 201031134140 / (2 + 0 + 1 + 0 + 3 + 1 + 1 + 3 + 4 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031134149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025778334 + ... + 5025778373.

It is an arithmetic number, because the mean of its divisors is an integer number (35180448478).

Almost surely, 2^201031134140 is an apocalyptic number.

201031134140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201031134140 is an abundant number, since it is smaller than the sum of its proper divisors (221134247596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201031134140 is a wasteful number, since it uses less digits than its factorization.

201031134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051556716 (or 10051556714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201031134140 its reverse (41431130102), we get a palindrome (242462264242).

The spelling of 201031134140 in words is "two hundred one billion, thirty-one million, one hundred thirty-four thousand, one hundred forty".