30130992 has 60 divisors (see below), whose sum is σ = 85374744. Its totient is φ = 9918720.

The previous prime is 30130981. The next prime is 30130999. The reversal of 30130992 is 29903103.

It is not an unprimeable number, because it can be changed into a prime (30130999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10692 + ... + 13212.

Almost surely, 2^30130992 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 30130992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42687372).

30130992 is an abundant number, since it is smaller than the sum of its proper divisors (55243752).

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

30130992 is a wasteful number, since it uses less digits than its factorization.

30130992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 30130992 is about 5489.1704291268. The cubic root of 30130992 is about 311.1748412904.

It can be divided in two parts, 301309 and 92, that added together give a square (301401 = 549²).

The spelling of 30130992 in words is "thirty million, one hundred thirty thousand, nine hundred ninety-two".