231011021213032 has 16 divisors (see below), whose sum is σ = 448081722180900. Its totient is φ = 111522561964800.

The previous prime is 231011021213029. The next prime is 231011021213051. The reversal of 231011021213032 is 230312120110132.

It can be written as a sum of positive squares in 2 ways, for example, as 228115531008036 + 2895490204996 = 15103494^2 + 1701614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231011021212994 and 231011021213012.

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, 497868579969 + ... + 497868580432.

Almost surely, 2^{231011021213032} is an apocalyptic number.

It is an amenable number.

231011021213032 is a deficient number, since it is larger than the sum of its proper divisors (217070700967868).

231011021213032 is a wasteful number, since it uses less digits than its factorization.

231011021213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995737160436 (or 995737160432 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231011021213032 its reverse (230312120110132), we get a palindrome (461323141323164).

The spelling of 231011021213032 in words is "two hundred thirty-one trillion, eleven billion, twenty-one million, two hundred thirteen thousand, thirty-two".