31103342 has 8 divisors (see below), whose sum is σ = 49110600. Its totient is φ = 14733144.

The previous prime is 31103311. The next prime is 31103381. The reversal of 31103342 is 24330113.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31103342.

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, 409217 + ... + 409292.

It is an arithmetic number, because the mean of its divisors is an integer number (6138825).

Almost surely, 2^31103342 is an apocalyptic number.

31103342 is a deficient number, since it is larger than the sum of its proper divisors (18007258).

31103342 is a wasteful number, since it uses less digits than its factorization.

31103342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818530.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 31103342 is about 5577.0370269526. The cubic root of 31103342 is about 314.4867496353.

Adding to 31103342 its reverse (24330113), we get a palindrome (55433455).

The spelling of 31103342 in words is "thirty-one million, one hundred three thousand, three hundred forty-two".