231330303130 has 32 divisors (see below), whose sum is σ = 443847373200. Its totient is φ = 86504555520.

The previous prime is 231330303101. The next prime is 231330303143. The reversal of 231330303130 is 31303033132.

It can be written as a sum of positive squares in 8 ways, for example, as 157108384161 + 74221918969 = 396369^2 + 272437^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4541001 + ... + 4591660.

Almost surely, 2^231330303130 is an apocalyptic number.

231330303130 is a deficient number, since it is larger than the sum of its proper divisors (212517070070).

231330303130 is a wasteful number, since it uses less digits than its factorization.

231330303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9132834.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 231330303130 its reverse (31303033132), we get a palindrome (262633336262).

The spelling of 231330303130 in words is "two hundred thirty-one billion, three hundred thirty million, three hundred three thousand, one hundred thirty".