30980118 has 16 divisors (see below), whose sum is σ = 66726576. Its totient is φ = 9532320.

The previous prime is 30980111. The next prime is 30980119. The reversal of 30980118 is 81108903.

It is a super-2 number, since 2×30980118² = 1919535422587848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30980111) 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, 198513 + ... + 198668.

It is an arithmetic number, because the mean of its divisors is an integer number (4170411).

Almost surely, 2^30980118 is an apocalyptic number.

30980118 is an abundant number, since it is smaller than the sum of its proper divisors (35746458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30980118 is a wasteful number, since it uses less digits than its factorization.

30980118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397199.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 30980118 is about 5565.9786201530. The cubic root of 30980118 is about 314.0708928873.

The spelling of 30980118 in words is "thirty million, nine hundred eighty thousand, one hundred eighteen".