30653112 has 64 divisors (see below), whose sum is σ = 91399680. Its totient is φ = 8376192.

The previous prime is 30653111. The next prime is 30653143. The reversal of 30653112 is 21135603.

It is a super-2 number, since 2×30653112² = 1879226550569088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30653111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103 + ... + 7830.

It is an arithmetic number, because the mean of its divisors is an integer number (1428120).

Almost surely, 2^30653112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30653112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45699840).

30653112 is an abundant number, since it is smaller than the sum of its proper divisors (60746568).

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

30653112 is a wasteful number, since it uses less digits than its factorization.

30653112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972 (or 7968 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30653112 is about 5536.5252640984. The cubic root of 30653112 is about 312.9619391161.

Adding to 30653112 its reverse (21135603), we get a palindrome (51788715).

The spelling of 30653112 in words is "thirty million, six hundred fifty-three thousand, one hundred twelve".