131144031232 has 88 divisors (see below), whose sum is σ = 264338215056. Its totient is φ = 65029275648.

The previous prime is 131144031229. The next prime is 131144031241. The reversal of 131144031232 is 232130441131.

It is a junction number, because it is equal to n+sod(n) for n = 131144031197 and 131144031206.

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, 102216063 + ... + 102217345.

Almost surely, 2^131144031232 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 131144031232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132169107528).

131144031232 is an abundant number, since it is smaller than the sum of its proper divisors (133194183824).

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

131144031232 is a wasteful number, since it uses less digits than its factorization.

131144031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131144031232 its reverse (232130441131), we get a palindrome (363274472363).

The spelling of 131144031232 in words is "one hundred thirty-one billion, one hundred forty-four million, thirty-one thousand, two hundred thirty-two".