30985532 has 12 divisors (see below), whose sum is σ = 54463080. Its totient is φ = 15424656.

The previous prime is 30985519. The next prime is 30985541. The reversal of 30985532 is 23558903.

It is a junction number, because it is equal to n+sod(n) for n = 30985492 and 30985501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15998 + ... + 17829.

It is an arithmetic number, because the mean of its divisors is an integer number (4538590).

Almost surely, 2^30985532 is an apocalyptic number.

It is an amenable number.

30985532 is a deficient number, since it is larger than the sum of its proper divisors (23477548).

30985532 is a wasteful number, since it uses less digits than its factorization.

30985532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34060 (or 34058 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 30985532 is about 5566.4649464449. The cubic root of 30985532 is about 314.0891872094.

The spelling of 30985532 in words is "thirty million, nine hundred eighty-five thousand, five hundred thirty-two".