31482893 has 24 divisors (see below), whose sum is σ = 36638280. Its totient is φ = 26853120.

The previous prime is 31482889. The next prime is 31482907. The reversal of 31482893 is 39828413.

It can be written as a sum of positive squares in 12 ways, for example, as 5299204 + 26183689 = 2302^2 + 5117^2 .

It is not a de Polignac number, because 31482893 - 2² = 31482889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31482823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516083 + ... + 516143.

It is an arithmetic number, because the mean of its divisors is an integer number (1526595).

Almost surely, 2^31482893 is an apocalyptic number.

It is an amenable number.

31482893 is a deficient number, since it is larger than the sum of its proper divisors (5155387).

31482893 is a wasteful number, since it uses less digits than its factorization.

31482893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 140 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 31482893 is about 5610.9618605013. The cubic root of 31482893 is about 315.7607981208.

The spelling of 31482893 in words is "thirty-one million, four hundred eighty-two thousand, eight hundred ninety-three".