231552523240330 has 16 divisors (see below), whose sum is σ = 422664887493504. Its totient is φ = 91316488038160.

The previous prime is 231552523240309. The next prime is 231552523240343. The reversal of 231552523240330 is 33042325255132.

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, 163065156502 + ... + 163065157921.

It is an arithmetic number, because the mean of its divisors is an integer number (26416555468344).

Almost surely, 2^{231552523240330} is an apocalyptic number.

231552523240330 is a deficient number, since it is larger than the sum of its proper divisors (191112364253174).

231552523240330 is a wasteful number, since it uses less digits than its factorization.

231552523240330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326130314501.

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 231552523240330 its reverse (33042325255132), we get a palindrome (264594848495462).

The spelling of 231552523240330 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, five hundred twenty-three million, two hundred forty thousand, three hundred thirty".