231203033213232 has 160 divisors (see below), whose sum is σ = 609093241823232. Its totient is φ = 75553957999872.

The previous prime is 231203033213231. The next prime is 231203033213233. The reversal of 231203033213232 is 232312330302132.

It is an interprime number because it is at equal distance from previous prime (231203033213231) and next prime (231203033213233).

It is a self number, because there is not a number n which added to its sum of digits gives 231203033213232.

It is not an unprimeable number, because it can be changed into a prime (231203033213231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1944015753 + ... + 1944134679.

Almost surely, 2^{231203033213232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231203033213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304546620911616).

231203033213232 is an abundant number, since it is smaller than the sum of its proper divisors (377890208610000).

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

231203033213232 is a wasteful number, since it uses less digits than its factorization.

231203033213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121895 (or 121889 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 231203033213232 its reverse (232312330302132), we get a palindrome (463515363515364).

The spelling of 231203033213232 in words is "two hundred thirty-one trillion, two hundred three billion, thirty-three million, two hundred thirteen thousand, two hundred thirty-two".