31214342 has 8 divisors (see below), whose sum is σ = 46878600. Its totient is φ = 15588144.

The previous prime is 31214341. The next prime is 31214357. The reversal of 31214342 is 24341213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7367 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (5859825).

Almost surely, 2^31214342 is an apocalyptic number.

31214342 is a deficient number, since it is larger than the sum of its proper divisors (15664258).

31214342 is a wasteful number, since it uses less digits than its factorization.

31214342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030.

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

The square root of 31214342 is about 5586.9796849461. The cubic root of 31214342 is about 314.8604135046.

Adding to 31214342 its reverse (24341213), we get a palindrome (55555555).

The spelling of 31214342 in words is "thirty-one million, two hundred fourteen thousand, three hundred forty-two".