31482697 has 4 divisors (see below), whose sum is σ = 31952656. Its totient is φ = 31012740.

The previous prime is 31482683. The next prime is 31482707. The reversal of 31482697 is 79628413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79628413 = 373 ⋅213481.

It is a cyclic number.

It is not a de Polignac number, because 31482697 - 2⁷ = 31482569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31482617) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234879 + ... + 235012.

It is an arithmetic number, because the mean of its divisors is an integer number (7988164).

Almost surely, 2^31482697 is an apocalyptic number.

It is an amenable number.

31482697 is a deficient number, since it is larger than the sum of its proper divisors (469959).

31482697 is an equidigital number, since it uses as much as digits as its factorization.

31482697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469958.

The product of its digits is 72576, while the sum is 40.

The square root of 31482697 is about 5610.9443946630. The cubic root of 31482697 is about 315.7601428523.

The spelling of 31482697 in words is "thirty-one million, four hundred eighty-two thousand, six hundred ninety-seven".