31214542 has 8 divisors (see below), whose sum is σ = 48857616. Its totient is φ = 14928672.

The previous prime is 31214531. The next prime is 31214591. The reversal of 31214542 is 24541213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339243 + ... + 339334.

It is an arithmetic number, because the mean of its divisors is an integer number (6107202).

Almost surely, 2^31214542 is an apocalyptic number.

31214542 is a deficient number, since it is larger than the sum of its proper divisors (17643074).

31214542 is a wasteful number, since it uses less digits than its factorization.

31214542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678602.

The product of its digits is 960, while the sum is 22.

The square root of 31214542 is about 5586.9975836759. The cubic root of 31214542 is about 314.8610859727.

Adding to 31214542 its reverse (24541213), we get a palindrome (55755755).

The spelling of 31214542 in words is "thirty-one million, two hundred fourteen thousand, five hundred forty-two".