231101123003220 has 48 divisors (see below), whose sum is σ = 647085525589440. Its totient is φ = 61626739355136.

The previous prime is 231101123003203. The next prime is 231101123003227. The reversal of 231101123003220 is 22300321101132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231101123003227) 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, 9681879 + ... + 23578401.

It is an arithmetic number, because the mean of its divisors is an integer number (13480948449780).

Almost surely, 2^{231101123003220} is an apocalyptic number.

231101123003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231101123003220 is an abundant number, since it is smaller than the sum of its proper divisors (415984402586220).

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

231101123003220 is a wasteful number, since it uses less digits than its factorization.

231101123003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14173704 (or 14173702 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231101123003220 its reverse (22300321101132), we get a palindrome (253401444104352).

The spelling of 231101123003220 in words is "two hundred thirty-one trillion, one hundred one billion, one hundred twenty-three million, three thousand, two hundred twenty".