131223333000000 has 196 divisors, whose sum is σ = 433988290503776. Its totient is φ = 34992888000000.

The previous prime is 131223332999999. The next prime is 131223333000031. The reversal of 131223333000000 is 333322131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18870556 + ... + 24870555.

Almost surely, 2^{131223333000000} is an apocalyptic number.

131223333000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131223333000000 is an abundant number, since it is smaller than the sum of its proper divisors (302764957503776).

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

131223333000000 is an frugal number, since it uses more digits than its factorization.

131223333000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43741156 (or 43741121 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 131223333000000 its reverse (333322131), we get a palindrome (131223666322131).

The spelling of 131223333000000 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred thirty-three million", and thus it is an aban number.