131231033232 has 80 divisors (see below), whose sum is σ = 365160586560. Its totient is φ = 40371134976.

The previous prime is 131231033173. The next prime is 131231033233. The reversal of 131231033232 is 232330132131.

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

It is not an unprimeable number, because it can be changed into a prime (131231033233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3895083 + ... + 3928629.

It is an arithmetic number, because the mean of its divisors is an integer number (4564507332).

Almost surely, 2^131231033232 is an apocalyptic number.

131231033232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131231033232 is an abundant number, since it is smaller than the sum of its proper divisors (233929553328).

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

131231033232 is a wasteful number, since it uses less digits than its factorization.

131231033232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39840 (or 39834 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131231033232 its reverse (232330132131), we get a palindrome (363561165363).

The spelling of 131231033232 in words is "one hundred thirty-one billion, two hundred thirty-one million, thirty-three thousand, two hundred thirty-two".