231042100443344 has 160 divisors (see below), whose sum is σ = 479603145719808. Its totient is φ = 107579831040000.

The previous prime is 231042100443269. The next prime is 231042100443353. The reversal of 231042100443344 is 443344001240132.

It is a super-2 number, since 2×231042100443344² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9116591537 + ... + 9116616879.

Almost surely, 2^{231042100443344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231042100443344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239801572859904).

231042100443344 is an abundant number, since it is smaller than the sum of its proper divisors (248561045276464).

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

231042100443344 is a wasteful number, since it uses less digits than its factorization.

231042100443344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29557 (or 29551 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 231042100443344 its reverse (443344001240132), we get a palindrome (674386101683476).

The spelling of 231042100443344 in words is "two hundred thirty-one trillion, forty-two billion, one hundred million, four hundred forty-three thousand, three hundred forty-four".