131232111112144 has 40 divisors (see below), whose sum is σ = 290691792127808. Its totient is φ = 56221739159040.

The previous prime is 131232111112099. The next prime is 131232111112169. The reversal of 131232111112144 is 441211111232131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214215417 + ... + 214827160.

Almost surely, 2^{131232111112144} is an apocalyptic number.

131232111112144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131232111112144 is an abundant number, since it is smaller than the sum of its proper divisors (159459681015664).

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

131232111112144 is a wasteful number, since it uses less digits than its factorization.

131232111112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429045323 (or 429045317 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

Adding to 131232111112144 its reverse (441211111232131), we get a palindrome (572443222344275).

The spelling of 131232111112144 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred forty-four".