31276342 has 4 divisors (see below), whose sum is σ = 46914516. Its totient is φ = 15638170.

The previous prime is 31276331. The next prime is 31276363. The reversal of 31276342 is 24367213.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31276342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7819084 + ... + 7819087.

It is an arithmetic number, because the mean of its divisors is an integer number (11728629).

Almost surely, 2^31276342 is an apocalyptic number.

31276342 is a deficient number, since it is larger than the sum of its proper divisors (15638174).

31276342 is a wasteful number, since it uses less digits than its factorization.

31276342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15638173.

The product of its digits is 6048, while the sum is 28.

The square root of 31276342 is about 5592.5255475501. The cubic root of 31276342 is about 315.0687411916.

The spelling of 31276342 in words is "thirty-one million, two hundred seventy-six thousand, three hundred forty-two".