31341998 has 8 divisors (see below), whose sum is σ = 47351640. Its totient is φ = 15558120.

The previous prime is 31341991. The next prime is 31342009. The reversal of 31341998 is 89914313.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341991) by changing a digit.

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, 56093 + ... + 56648.

It is an arithmetic number, because the mean of its divisors is an integer number (5918955).

Almost surely, 2^31341998 is an apocalyptic number.

31341998 is a deficient number, since it is larger than the sum of its proper divisors (16009642).

31341998 is a wasteful number, since it uses less digits than its factorization.

31341998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112882.

The product of its digits is 23328, while the sum is 38.

The square root of 31341998 is about 5598.3924478371. The cubic root of 31341998 is about 315.2890535626.

The spelling of 31341998 in words is "thirty-one million, three hundred forty-one thousand, nine hundred ninety-eight".