31193342 has 8 divisors (see below), whose sum is σ = 46835256. Its totient is φ = 15581592.

The previous prime is 31193339. The next prime is 31193363. The reversal of 31193342 is 24339113.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4748 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (5854407).

Almost surely, 2^31193342 is an apocalyptic number.

31193342 is a deficient number, since it is larger than the sum of its proper divisors (15641914).

31193342 is a wasteful number, since it uses less digits than its factorization.

31193342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082.

The product of its digits is 1944, while the sum is 26.

The square root of 31193342 is about 5585.0999991048. The cubic root of 31193342 is about 314.7897883623.

The spelling of 31193342 in words is "thirty-one million, one hundred ninety-three thousand, three hundred forty-two".