201132312 has 32 divisors (see below), whose sum is σ = 504802800. Its totient is φ = 66781184.

The previous prime is 201132307. The next prime is 201132319. The reversal of 201132312 is 213231102.

201132312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201132291 and 201132300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201132319) 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, 10137 + ... + 22472.

Almost surely, 2^201132312 is an apocalyptic number.

It is an amenable number.

201132312 is an abundant number, since it is smaller than the sum of its proper divisors (303670488).

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

201132312 is a wasteful number, since it uses less digits than its factorization.

201132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32875 (or 32871 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201132312 is about 14182.1123955495. The cubic root of 201132312 is about 585.9051048643.

Adding to 201132312 its reverse (213231102), we get a palindrome (414363414).

The spelling of 201132312 in words is "two hundred one million, one hundred thirty-two thousand, three hundred twelve".