30641130 has 48 divisors (see below), whose sum is σ = 85798440. Its totient is φ = 7542144.

The previous prime is 30641111. The next prime is 30641137. The reversal of 30641130 is 3114603.

It can be written as a sum of positive squares in 4 ways, for example, as 24000201 + 6640929 = 4899^2 + 2577^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30641137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11925 + ... + 14264.

Almost surely, 2^30641130 is an apocalyptic number.

30641130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30641130 is an abundant number, since it is smaller than the sum of its proper divisors (55157310).

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

30641130 is a wasteful number, since it uses less digits than its factorization.

30641130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26215 (or 26212 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30641130 is about 5535.4430716972. The cubic root of 30641130 is about 312.9211558871.

Adding to 30641130 its reverse (3114603), we get a palindrome (33755733).

The spelling of 30641130 in words is "thirty million, six hundred forty-one thousand, one hundred thirty".