231533531053135 has 8 divisors (see below), whose sum is σ = 277887820829760. Its totient is φ = 185195102465184.

The previous prime is 231533531053109. The next prime is 231533531053171. The reversal of 231533531053135 is 531350135335132.

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 231533531053135 - 2²¹ = 231533528955983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231533531053091 and 231533531053100.

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, 3965265052 + ... + 3965323441.

It is an arithmetic number, because the mean of its divisors is an integer number (34735977603720).

Almost surely, 2^{231533531053135} is an apocalyptic number.

231533531053135 is a deficient number, since it is larger than the sum of its proper divisors (46354289776625).

231533531053135 is an equidigital number, since it uses as much as digits as its factorization.

231533531053135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7930594337.

The product of its (nonzero) digits is 911250, while the sum is 43.

Adding to 231533531053135 its reverse (531350135335132), we get a palindrome (762883666388267).

The spelling of 231533531053135 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred thirty-one million, fifty-three thousand, one hundred thirty-five".