231302130130 has 32 divisors (see below), whose sum is σ = 418511689200. Its totient is φ = 92039784192.

The previous prime is 231302130127. The next prime is 231302130131. The reversal of 231302130130 is 31031203132.

It can be written as a sum of positive squares in 8 ways, for example, as 157846495401 + 73455634729 = 397299^2 + 271027^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231302130098 and 231302130107.

It is not an unprimeable number, because it can be changed into a prime (231302130131) 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, 2736136 + ... + 2819404.

Almost surely, 2^231302130130 is an apocalyptic number.

231302130130 is a deficient number, since it is larger than the sum of its proper divisors (187209559070).

231302130130 is a wasteful number, since it uses less digits than its factorization.

231302130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84718.

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

Adding to 231302130130 its reverse (31031203132), we get a palindrome (262333333262).

The spelling of 231302130130 in words is "two hundred thirty-one billion, three hundred two million, one hundred thirty thousand, one hundred thirty".