30231213130 has 16 divisors (see below), whose sum is σ = 54698136264. Its totient is φ = 12029829120.

The previous prime is 30231213119. The next prime is 30231213157. The reversal of 30231213130 is 3131213203.

It can be written as a sum of positive squares in 4 ways, for example, as 24869605401 + 5361607729 = 157701^2 + 73223^2 .

It is a super-2 number, since 2×30231213130² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231213098 and 30231213107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7829991 + ... + 7833850.

Almost surely, 2^30231213130 is an apocalyptic number.

30231213130 is a deficient number, since it is larger than the sum of its proper divisors (24466923134).

30231213130 is a wasteful number, since it uses less digits than its factorization.

30231213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15664041.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30231213130 its reverse (3131213203), we get a palindrome (33362426333).

The spelling of 30231213130 in words is "thirty billion, two hundred thirty-one million, two hundred thirteen thousand, one hundred thirty".