231442051135 has 8 divisors (see below), whose sum is σ = 278836958736. Its totient is φ = 184415976000.

The previous prime is 231442051103. The next prime is 231442051147. The reversal of 231442051135 is 531150244132.

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

It is not a de Polignac number, because 231442051135 - 2⁵ = 231442051103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231442051097 and 231442051106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92206734 + ... + 92209243.

It is an arithmetic number, because the mean of its divisors is an integer number (34854619842).

Almost surely, 2^231442051135 is an apocalyptic number.

231442051135 is a deficient number, since it is larger than the sum of its proper divisors (47394907601).

231442051135 is a wasteful number, since it uses less digits than its factorization.

231442051135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184416233.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231442051135 its reverse (531150244132), we get a palindrome (762592295267).

The spelling of 231442051135 in words is "two hundred thirty-one billion, four hundred forty-two million, fifty-one thousand, one hundred thirty-five".