231146253042 has 8 divisors (see below), whose sum is σ = 462292506096. Its totient is φ = 77048751012.

The previous prime is 231146253017. The next prime is 231146253061. The reversal of 231146253042 is 240352641132.

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

231146253042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 231146252994 and 231146253012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19262187748 + ... + 19262187759.

It is an arithmetic number, because the mean of its divisors is an integer number (57786563262).

Almost surely, 2^231146253042 is an apocalyptic number.

231146253042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231146253042 is a wasteful number, since it uses less digits than its factorization.

231146253042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38524375512.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 231146253042 its reverse (240352641132), we get a palindrome (471498894174).

The spelling of 231146253042 in words is "two hundred thirty-one billion, one hundred forty-six million, two hundred fifty-three thousand, forty-two".