231103312230 has 32 divisors (see below), whose sum is σ = 633883371264. Its totient is φ = 52823614176.

The previous prime is 231103312213. The next prime is 231103312247. The reversal of 231103312230 is 32213301132.

It is an interprime number because it is at equal distance from previous prime (231103312213) and next prime (231103312247).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 231103312197 and 231103312206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550245772 + ... + 550246191.

It is an arithmetic number, because the mean of its divisors is an integer number (19808855352).

Almost surely, 2^231103312230 is an apocalyptic number.

231103312230 is an abundant number, since it is smaller than the sum of its proper divisors (402780059034).

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

231103312230 is a wasteful number, since it uses less digits than its factorization.

231103312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100491980.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231103312230 its reverse (32213301132), we get a palindrome (263316613362).

The spelling of 231103312230 in words is "two hundred thirty-one billion, one hundred three million, three hundred twelve thousand, two hundred thirty".