30981350 has 24 divisors (see below), whose sum is σ = 57873528. Its totient is φ = 12339200.

The previous prime is 30981337. The next prime is 30981373. The reversal of 30981350 is 5318903.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11645 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (2411397).

Almost surely, 2^30981350 is an apocalyptic number.

30981350 is a deficient number, since it is larger than the sum of its proper divisors (26892178).

30981350 is a wasteful number, since it uses less digits than its factorization.

30981350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 30981350 is about 5566.0892914146. The cubic root of 30981350 is about 314.0750560973.

The spelling of 30981350 in words is "thirty million, nine hundred eighty-one thousand, three hundred fifty".