30811327130 has 16 divisors (see below), whose sum is σ = 55473150024. Its totient is φ = 12321695040.

The previous prime is 30811327093. The next prime is 30811327139. The reversal of 30811327130 is 3172311803.

It can be written as a sum of positive squares in 4 ways, for example, as 30151196881 + 660130249 = 173641^2 + 25693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30811327093 and 30811327102.

It is not an unprimeable number, because it can be changed into a prime (30811327139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308561 + ... + 396020.

Almost surely, 2^30811327130 is an apocalyptic number.

30811327130 is a deficient number, since it is larger than the sum of its proper divisors (24661822894).

30811327130 is a wasteful number, since it uses less digits than its factorization.

30811327130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708961.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 30811327130 its reverse (3172311803), we get a palindrome (33983638933).

The spelling of 30811327130 in words is "thirty billion, eight hundred eleven million, three hundred twenty-seven thousand, one hundred thirty".