232131331011 has 4 divisors (see below), whose sum is σ = 309508441352. Its totient is φ = 154754220672.

The previous prime is 232131330979. The next prime is 232131331027. The reversal of 232131331011 is 110133131232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 232131331011 - 2⁵ = 232131330979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232131336011) 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, 38688555166 + ... + 38688555171.

It is an arithmetic number, because the mean of its divisors is an integer number (77377110338).

Almost surely, 2^232131331011 is an apocalyptic number.

232131331011 is a deficient number, since it is larger than the sum of its proper divisors (77377110341).

232131331011 is an equidigital number, since it uses as much as digits as its factorization.

232131331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77377110340.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 232131331011 its reverse (110133131232), we get a palindrome (342264462243).

The spelling of 232131331011 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred thirty-one thousand, eleven".