201031331412 has 24 divisors (see below), whose sum is σ = 496665642816. Its totient is φ = 63068652928.

The previous prime is 201031331407. The next prime is 201031331461. The reversal of 201031331412 is 214133130102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492723648 + ... + 492724055.

It is an arithmetic number, because the mean of its divisors is an integer number (20694401784).

Almost surely, 2^201031331412 is an apocalyptic number.

It is an amenable number.

201031331412 is an abundant number, since it is smaller than the sum of its proper divisors (295634311404).

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

201031331412 is a wasteful number, since it uses less digits than its factorization.

201031331412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985447727 (or 985447725 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201031331412 its reverse (214133130102), we get a palindrome (415164461514).

The spelling of 201031331412 in words is "two hundred one billion, thirty-one million, three hundred thirty-one thousand, four hundred twelve".