30113997 has 8 divisors (see below), whose sum is σ = 40265280. Its totient is φ = 20019360.

The previous prime is 30113957. The next prime is 30114001. The reversal of 30113997 is 79931103.

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

It is not a de Polignac number, because 30113997 - 2¹⁵ = 30081229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113947) 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, 12904 + ... + 15057.

It is an arithmetic number, because the mean of its divisors is an integer number (5033160).

Almost surely, 2^30113997 is an apocalyptic number.

It is an amenable number.

30113997 is a deficient number, since it is larger than the sum of its proper divisors (10151283).

30113997 is a wasteful number, since it uses less digits than its factorization.

30113997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28323.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 30113997 is about 5487.6221626493. The cubic root of 30113997 is about 311.1163255598.

The spelling of 30113997 in words is "thirty million, one hundred thirteen thousand, nine hundred ninety-seven".