201342312 has 48 divisors (see below), whose sum is σ = 546380640. Its totient is φ = 66981408.

The previous prime is 201342311. The next prime is 201342341. The reversal of 201342312 is 213243102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201342311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38053 + ... + 43019.

It is an arithmetic number, because the mean of its divisors is an integer number (11382930).

Almost surely, 2^201342312 is an apocalyptic number.

It is an amenable number.

201342312 is an abundant number, since it is smaller than the sum of its proper divisors (345038328).

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

201342312 is a wasteful number, since it uses less digits than its factorization.

201342312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 201342312 is about 14189.5141565876. The cubic root of 201342312 is about 586.1089462627.

Adding to 201342312 its reverse (213243102), we get a palindrome (414585414).

The spelling of 201342312 in words is "two hundred one million, three hundred forty-two thousand, three hundred twelve".