30731034 has 8 divisors (see below), whose sum is σ = 61462080. Its totient is φ = 10243676.

The previous prime is 30731027. The next prime is 30731047. The reversal of 30731034 is 43013703.

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

30731034 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30731034.

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, 2560914 + ... + 2560925.

It is an arithmetic number, because the mean of its divisors is an integer number (7682760).

Almost surely, 2^30731034 is an apocalyptic number.

30731034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30731034 is a wasteful number, since it uses less digits than its factorization.

30731034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121844.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30731034 is about 5543.5578828041. The cubic root of 30731034 is about 313.2269038966.

Adding to 30731034 its reverse (43013703), we get a palindrome (73744737).

The spelling of 30731034 in words is "thirty million, seven hundred thirty-one thousand, thirty-four".