231011211020132 has 12 divisors (see below), whose sum is σ = 404350912225596. Its totient is φ = 115482378955680.

The previous prime is 231011211020131. The next prime is 231011211020141. The reversal of 231011211020132 is 231020112110132.

It can be written as a sum of positive squares in 2 ways, for example, as 132601120745536 + 98410090274596 = 11515256^2 + 9920186^2 .

It is not an unprimeable number, because it can be changed into a prime (231011211020131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806616219 + ... + 5806656002.

It is an arithmetic number, because the mean of its divisors is an integer number (33695909352133).

Almost surely, 2^{231011211020132} is an apocalyptic number.

It is an amenable number.

231011211020132 is a deficient number, since it is larger than the sum of its proper divisors (173339701205464).

231011211020132 is a wasteful number, since it uses less digits than its factorization.

231011211020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613277198 (or 11613277196 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 231011211020132 its reverse (231020112110132), we get a palindrome (462031323130264).

The spelling of 231011211020132 in words is "two hundred thirty-one trillion, eleven billion, two hundred eleven million, twenty thousand, one hundred thirty-two".