231220033113102 has 32 divisors (see below), whose sum is σ = 504616381905024. Its totient is φ = 70047744804000.

The previous prime is 231220033113067. The next prime is 231220033113127. The reversal of 231220033113102 is 201311330022132.

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, 473051308 + ... + 473539839.

It is an arithmetic number, because the mean of its divisors is an integer number (15769261934532).

Almost surely, 2^{231220033113102} is an apocalyptic number.

231220033113102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231220033113102 is an abundant number, since it is smaller than the sum of its proper divisors (273396348791922).

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

231220033113102 is a wasteful number, since it uses less digits than its factorization.

231220033113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946594864.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231220033113102 its reverse (201311330022132), we get a palindrome (432531363135234).

The spelling of 231220033113102 in words is "two hundred thirty-one trillion, two hundred twenty billion, thirty-three million, one hundred thirteen thousand, one hundred two".