30968997 has 8 divisors (see below), whose sum is σ = 41401344. Its totient is φ = 20591328.

The previous prime is 30968957. The next prime is 30969007. The reversal of 30968997 is 79986903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30968997 - 2¹⁰ = 30967973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12328 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (5175168).

Almost surely, 2^30968997 is an apocalyptic number.

It is an amenable number.

30968997 is a deficient number, since it is larger than the sum of its proper divisors (10432347).

30968997 is a wasteful number, since it uses less digits than its factorization.

30968997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27339.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 30968997 is about 5564.9795147871. The cubic root of 30968997 is about 314.0333074868.

The spelling of 30968997 in words is "thirty million, nine hundred sixty-eight thousand, nine hundred ninety-seven".