31482016 has 12 divisors (see below), whose sum is σ = 61980282. Its totient is φ = 15740992.

The previous prime is 31482013. The next prime is 31482037. The reversal of 31482016 is 61028413.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 7862416 = 4860^2 + 2804^2 .

It is a super-2 number, since 2×31482016² = 1982234662848512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31482013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491875 + ... + 491938.

Almost surely, 2^31482016 is an apocalyptic number.

It is an amenable number.

31482016 is a deficient number, since it is larger than the sum of its proper divisors (30498266).

31482016 is an equidigital number, since it uses as much as digits as its factorization.

31482016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983823 (or 983815 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 31482016 is about 5610.8837093634. The cubic root of 31482016 is about 315.7578661074.

The spelling of 31482016 in words is "thirty-one million, four hundred eighty-two thousand, sixteen".