31482198 has 96 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 8743680.

The previous prime is 31482179. The next prime is 31482229. The reversal of 31482198 is 89128413.

It is a super-2 number, since 2×31482198² = 1982257581822408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158103 + ... + 158301.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^31482198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31482198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40435200).

31482198 is an abundant number, since it is smaller than the sum of its proper divisors (49388202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31482198 is a wasteful number, since it uses less digits than its factorization.

31482198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 31482198 is about 5610.8999278191. The cubic root of 31482198 is about 315.7584745799.

The spelling of 31482198 in words is "thirty-one million, four hundred eighty-two thousand, one hundred ninety-eight".