231013001021230 has 32 divisors (see below), whose sum is σ = 419640545918880. Its totient is φ = 91556955262080.

The previous prime is 231013001021213. The next prime is 231013001021233. The reversal of 231013001021230 is 32120100310132.

It is a junction number, because it is equal to n+sod(n) for n = 231013001021198 and 231013001021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231013001021233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255798432 + ... + 256699948.

It is an arithmetic number, because the mean of its divisors is an integer number (13113767059965).

Almost surely, 2^{231013001021230} is an apocalyptic number.

231013001021230 is a deficient number, since it is larger than the sum of its proper divisors (188627544897650).

231013001021230 is a wasteful number, since it uses less digits than its factorization.

231013001021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136724.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231013001021230 its reverse (32120100310132), we get a palindrome (263133101331362).

The spelling of 231013001021230 in words is "two hundred thirty-one trillion, thirteen billion, one million, twenty-one thousand, two hundred thirty".