231301331320210 has 16 divisors (see below), whose sum is σ = 423167681563992. Its totient is φ = 91003802486400.

The previous prime is 231301331320187. The next prime is 231301331320253. The reversal of 231301331320210 is 12023133103132.

It can be written as a sum of positive squares in 4 ways, for example, as 162573898699809 + 68727432620401 = 12750447^2 + 8290201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189591254571 + ... + 189591255790.

Almost surely, 2^{231301331320210} is an apocalyptic number.

231301331320210 is a deficient number, since it is larger than the sum of its proper divisors (191866350243782).

231301331320210 is a wasteful number, since it uses less digits than its factorization.

231301331320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379182510429.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231301331320210 its reverse (12023133103132), we get a palindrome (243324464423342).

The spelling of 231301331320210 in words is "two hundred thirty-one trillion, three hundred one billion, three hundred thirty-one million, three hundred twenty thousand, two hundred ten".