210431342 has 12 divisors (see below), whose sum is σ = 346951248. Its totient is φ = 95650500.

The previous prime is 210431341. The next prime is 210431363. The reversal of 210431342 is 243134012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210431341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434534 + ... + 435017.

It is an arithmetic number, because the mean of its divisors is an integer number (28912604).

Almost surely, 2^210431342 is an apocalyptic number.

210431342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210431342 is a deficient number, since it is larger than the sum of its proper divisors (136519906).

210431342 is a wasteful number, since it uses less digits than its factorization.

210431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869575 (or 869564 counting only the distinct ones).

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

The square root of 210431342 is about 14506.2518246444. The cubic root of 210431342 is about 594.7988793689.

Adding to 210431342 its reverse (243134012), we get a palindrome (453565354).

The spelling of 210431342 in words is "two hundred ten million, four hundred thirty-one thousand, three hundred forty-two".