131133044224 has 120 divisors (see below), whose sum is σ = 328233085488. Its totient is φ = 51876679680.

The previous prime is 131133044221. The next prime is 131133044227. The reversal of 131133044224 is 422440331131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131133044221) and next prime (131133044227).

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

It is a junction number, because it is equal to n+sod(n) for n = 131133044192 and 131133044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133044221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125109 + ... + 527179.

Almost surely, 2^131133044224 is an apocalyptic number.

131133044224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131133044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164116542744).

131133044224 is an abundant number, since it is smaller than the sum of its proper divisors (197100041264).

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

131133044224 is an equidigital number, since it uses as much as digits as its factorization.

131133044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402116 (or 402093 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131133044224 its reverse (422440331131), we get a palindrome (553573375355).

The spelling of 131133044224 in words is "one hundred thirty-one billion, one hundred thirty-three million, forty-four thousand, two hundred twenty-four".