30973100 has 18 divisors (see below), whose sum is σ = 67211844. Its totient is φ = 12389200.

The previous prime is 30973093. The next prime is 30973109. The reversal of 30973100 is 137903.

It is a super-2 number, since 2×30973100² = 1918665847220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30973109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154766 + ... + 154965.

Almost surely, 2^30973100 is an apocalyptic number.

It is an amenable number.

30973100 is an abundant number, since it is smaller than the sum of its proper divisors (36238744).

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

30973100 is a wasteful number, since it uses less digits than its factorization.

30973100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309745 (or 309738 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 30973100 is about 5565.3481472411. The cubic root of 30973100 is about 314.0471753535.

The spelling of 30973100 in words is "thirty million, nine hundred seventy-three thousand, one hundred".