30801030 has 32 divisors (see below), whose sum is σ = 79609824. Its totient is φ = 7581696.

The previous prime is 30800993. The next prime is 30801037. The reversal of 30801030 is 3010803.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30801037) 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, 39099 + ... + 39878.

It is an arithmetic number, because the mean of its divisors is an integer number (2487807).

Almost surely, 2^30801030 is an apocalyptic number.

30801030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30801030 is an abundant number, since it is smaller than the sum of its proper divisors (48808794).

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

30801030 is a wasteful number, since it uses less digits than its factorization.

30801030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79000.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30801030 is about 5549.8675659875. The cubic root of 30801030 is about 313.4645356178.

Adding to 30801030 its reverse (3010803), we get a palindrome (33811833).

The spelling of 30801030 in words is "thirty million, eight hundred one thousand, thirty".