231311211132010 has 32 divisors (see below), whose sum is σ = 416469935178000. Its totient is φ = 92500096389120.

The previous prime is 231311211131977. The next prime is 231311211132013. The reversal of 231311211132010 is 10231112113132.

It can be written as a sum of positive squares in 8 ways, for example, as 23717260381369 + 207593950750641 = 4870037^2 + 14408121^2 .

It is not an unprimeable number, because it can be changed into a prime (231311211132013) 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, 1058421550 + ... + 1058640070.

Almost surely, 2^{231311211132010} is an apocalyptic number.

231311211132010 is a deficient number, since it is larger than the sum of its proper divisors (185158724045990).

231311211132010 is a wasteful number, since it uses less digits than its factorization.

231311211132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245946.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 231311211132010 its reverse (10231112113132), we get a palindrome (241542323245142).

The spelling of 231311211132010 in words is "two hundred thirty-one trillion, three hundred eleven billion, two hundred eleven million, one hundred thirty-two thousand, ten".