131005231032 has 128 divisors (see below), whose sum is σ = 357832641600. Its totient is φ = 39726415872.

The previous prime is 131005231031. The next prime is 131005231033. The reversal of 131005231032 is 230132500131.

It is an interprime number because it is at equal distance from previous prime (131005231031) and next prime (131005231033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131005231031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8683848 + ... + 8698920.

Almost surely, 2^131005231032 is an apocalyptic number.

131005231032 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 131005231032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178916320800).

131005231032 is an abundant number, since it is smaller than the sum of its proper divisors (226827410568).

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

131005231032 is a wasteful number, since it uses less digits than its factorization.

131005231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15497 (or 15493 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 131005231032 its reverse (230132500131), we get a palindrome (361137731163).

The spelling of 131005231032 in words is "one hundred thirty-one billion, five million, two hundred thirty-one thousand, thirty-two".