131142231201 has 4 divisors (see below), whose sum is σ = 174856308272. Its totient is φ = 87428154132.

The previous prime is 131142231193. The next prime is 131142231217. The reversal of 131142231201 is 102132241131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131142231201 - 2³ = 131142231193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131142231301) 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, 21857038531 + ... + 21857038536.

It is an arithmetic number, because the mean of its divisors is an integer number (43714077068).

Almost surely, 2^131142231201 is an apocalyptic number.

It is an amenable number.

131142231201 is a deficient number, since it is larger than the sum of its proper divisors (43714077071).

131142231201 is an equidigital number, since it uses as much as digits as its factorization.

131142231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43714077070.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131142231201 its reverse (102132241131), we get a palindrome (233274472332).

The spelling of 131142231201 in words is "one hundred thirty-one billion, one hundred forty-two million, two hundred thirty-one thousand, two hundred one".