231435011141 has 8 divisors (see below), whose sum is σ = 231883678584. Its totient is φ = 230986463680.

The previous prime is 231435011051. The next prime is 231435011201. The reversal of 231435011141 is 141110534132.

It can be written as a sum of positive squares in 4 ways, for example, as 18848544100 + 212586467041 = 137290^2 + 461071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231435011141 - 2²⁶ = 231367902277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231435011141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231435011341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482131 + ... + 4533471.

It is an arithmetic number, because the mean of its divisors is an integer number (28985459823).

Almost surely, 2^231435011141 is an apocalyptic number.

It is an amenable number.

231435011141 is a deficient number, since it is larger than the sum of its proper divisors (448667443).

231435011141 is an equidigital number, since it uses as much as digits as its factorization.

231435011141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59991.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 231435011141 its reverse (141110534132), we get a palindrome (372545545273).

The spelling of 231435011141 in words is "two hundred thirty-one billion, four hundred thirty-five million, eleven thousand, one hundred forty-one".