30871696 has 10 divisors (see below), whose sum is σ = 59813942. Its totient is φ = 15435840.

The previous prime is 30871693. The next prime is 30871739. The reversal of 30871696 is 69617803.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 6071296 = 4980^2 + 2464^2 .

It is a super-2 number, since 2×30871696² = 1906123227832832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30871693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964725 + ... + 964756.

Almost surely, 2^30871696 is an apocalyptic number.

It is an amenable number.

30871696 is a deficient number, since it is larger than the sum of its proper divisors (28942246).

30871696 is a wasteful number, since it uses less digits than its factorization.

30871696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929489 (or 1929483 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 30871696 is about 5556.2303767932. The cubic root of 30871696 is about 313.7040770234.

The spelling of 30871696 in words is "thirty million, eight hundred seventy-one thousand, six hundred ninety-six".