131233222032 has 160 divisors (see below), whose sum is σ = 395474223744. Its totient is φ = 37057536000.

The previous prime is 131233222027. The next prime is 131233222079. The reversal of 131233222032 is 230222332131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 131233221993 and 131233222011.

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, 834198 + ... + 978954.

Almost surely, 2^131233222032 is an apocalyptic number.

131233222032 is a gapful number since it is divisible by the number (12) 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 131233222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197737111872).

131233222032 is an abundant number, since it is smaller than the sum of its proper divisors (264241001712).

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

131233222032 is a wasteful number, since it uses less digits than its factorization.

131233222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144897 (or 144891 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131233222032 its reverse (230222332131), we get a palindrome (361455554163).

The spelling of 131233222032 in words is "one hundred thirty-one billion, two hundred thirty-three million, two hundred twenty-two thousand, thirty-two".