31969082 has 4 divisors (see below), whose sum is σ = 47953626. Its totient is φ = 15984540.

The previous prime is 31969079. The next prime is 31969121. The reversal of 31969082 is 28096913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28096913 = 13 ⋅2161301.

It can be written as a sum of positive squares in only one way, i.e., 19088161 + 12880921 = 4369^2 + 3589^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7992269 + ... + 7992272.

Almost surely, 2^31969082 is an apocalyptic number.

31969082 is a deficient number, since it is larger than the sum of its proper divisors (15984544).

31969082 is a wasteful number, since it uses less digits than its factorization.

31969082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15984543.

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

The square root of 31969082 is about 5654.1207981436. The cubic root of 31969082 is about 317.3779289753.

The spelling of 31969082 in words is "thirty-one million, nine hundred sixty-nine thousand, eighty-two".