30980853 has 16 divisors (see below), whose sum is σ = 46099200. Its totient is φ = 20563200.

The previous prime is 30980843. The next prime is 30980857. The reversal of 30980853 is 35808903.

It is a de Polignac number, because none of the positive numbers 2^k-30980853 is a prime.

It is a super-3 number, since 3×30980853³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30980857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (2881200).

Almost surely, 2^30980853 is an apocalyptic number.

It is an amenable number.

30980853 is a deficient number, since it is larger than the sum of its proper divisors (15118347).

30980853 is a wasteful number, since it uses less digits than its factorization.

30980853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 30980853 is about 5566.0446458863. The cubic root of 30980853 is about 314.0733766338.

The spelling of 30980853 in words is "thirty million, nine hundred eighty thousand, eight hundred fifty-three".