30988942 has 8 divisors (see below), whose sum is σ = 46508832. Its totient is φ = 15486000.

The previous prime is 30988927. The next prime is 30988957. The reversal of 30988942 is 24988903.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30988927) and next prime (30988957).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2442 + ... + 8242.

It is an arithmetic number, because the mean of its divisors is an integer number (5813604).

Almost surely, 2^30988942 is an apocalyptic number.

30988942 is a deficient number, since it is larger than the sum of its proper divisors (15519890).

30988942 is a wasteful number, since it uses less digits than its factorization.

30988942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 30988942 is about 5566.7712365428. The cubic root of 30988942 is about 314.1007087677.

The spelling of 30988942 in words is "thirty million, nine hundred eighty-eight thousand, nine hundred forty-two".