231241202141 has 4 divisors (see below), whose sum is σ = 231631154172. Its totient is φ = 230851250112.

The previous prime is 231241202113. The next prime is 231241202147. The reversal of 231241202141 is 141202142132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128085252100 + 103155950041 = 357890^2 + 321179^2 .

It is a cyclic number.

It is not a de Polignac number, because 231241202141 - 2³⁰ = 230167460317 is a prime.

It is a super-2 number, since 2×231241202141² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231241202147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 194975126 + ... + 194976311.

It is an arithmetic number, because the mean of its divisors is an integer number (57907788543).

Almost surely, 2^231241202141 is an apocalyptic number.

It is an amenable number.

231241202141 is a deficient number, since it is larger than the sum of its proper divisors (389952031).

231241202141 is an equidigital number, since it uses as much as digits as its factorization.

231241202141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389952030.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 231241202141 its reverse (141202142132), we get a palindrome (372443344273).

The spelling of 231241202141 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred two thousand, one hundred forty-one".