31427294 has 8 divisors (see below), whose sum is σ = 47940120. Its totient is φ = 15447256.

The previous prime is 31427267. The next prime is 31427327. The reversal of 31427294 is 49272413.

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 31427294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133049 + ... + 133284.

It is an arithmetic number, because the mean of its divisors is an integer number (5992515).

Almost surely, 2^31427294 is an apocalyptic number.

31427294 is a deficient number, since it is larger than the sum of its proper divisors (16512826).

31427294 is a wasteful number, since it uses less digits than its factorization.

31427294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266394.

The product of its digits is 12096, while the sum is 32.

The square root of 31427294 is about 5606.0051730265. The cubic root of 31427294 is about 315.5748100306.

The spelling of 31427294 in words is "thirty-one million, four hundred twenty-seven thousand, two hundred ninety-four".