201431342 has 16 divisors (see below), whose sum is σ = 345587712. Its totient is φ = 86258520.

The previous prime is 201431341. The next prime is 201431371. The reversal of 201431342 is 243134102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14867 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (21599232).

Almost surely, 2^201431342 is an apocalyptic number.

201431342 is a deficient number, since it is larger than the sum of its proper divisors (144156370).

201431342 is a wasteful number, since it uses less digits than its factorization.

201431342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 201431342 is about 14192.6509856334. The cubic root of 201431342 is about 586.1953225268.

Adding to 201431342 its reverse (243134102), we get a palindrome (444565444).

The spelling of 201431342 in words is "two hundred one million, four hundred thirty-one thousand, three hundred forty-two".