231142241131 has 8 divisors (see below), whose sum is σ = 232036763904. Its totient is φ = 230247837480.

The previous prime is 231142241107. The next prime is 231142241179. The reversal of 231142241131 is 131142241132.

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 231142241131 - 2⁷ = 231142241003 is a prime.

It is a super-2 number, since 2×231142241131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231142241096 and 231142241105.

It is not an unprimeable number, because it can be changed into a prime (231142841131) 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, 7666396 + ... + 7696486.

It is an arithmetic number, because the mean of its divisors is an integer number (29004595488).

Almost surely, 2^231142241131 is an apocalyptic number.

231142241131 is a deficient number, since it is larger than the sum of its proper divisors (894522773).

231142241131 is a wasteful number, since it uses less digits than its factorization.

231142241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59561.

The product of its digits is 1152, while the sum is 25.

Adding to 231142241131 its reverse (131142241132), we get a palindrome (362284482263).

Subtracting from 231142241131 its reverse (131142241132), we obtain a palindrome (99999999999).

The spelling of 231142241131 in words is "two hundred thirty-one billion, one hundred forty-two million, two hundred forty-one thousand, one hundred thirty-one".