30961004 has 6 divisors (see below), whose sum is σ = 54181764. Its totient is φ = 15480500.

The previous prime is 30960959. The next prime is 30961019. The reversal of 30961004 is 40016903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870122 + ... + 3870129.

It is an arithmetic number, because the mean of its divisors is an integer number (9030294).

Almost surely, 2^30961004 is an apocalyptic number.

It is an amenable number.

30961004 is a deficient number, since it is larger than the sum of its proper divisors (23220760).

30961004 is a wasteful number, since it uses less digits than its factorization.

30961004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740255 (or 7740253 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30961004 is about 5564.2613166529. The cubic root of 30961004 is about 314.0062881616.

Adding to 30961004 its reverse (40016903), we get a palindrome (70977907).

The spelling of 30961004 in words is "thirty million, nine hundred sixty-one thousand, four".