131231010024 has 96 divisors (see below), whose sum is σ = 371214679680. Its totient is φ = 41802913152.

The previous prime is 131231010019. The next prime is 131231010091. The reversal of 131231010024 is 420010132131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131231009979 and 131231010006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1773757 + ... + 1846259.

It is an arithmetic number, because the mean of its divisors is an integer number (3866819580).

Almost surely, 2^131231010024 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 131231010024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185607339840).

131231010024 is an abundant number, since it is smaller than the sum of its proper divisors (239983669656).

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

131231010024 is a wasteful number, since it uses less digits than its factorization.

131231010024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73631 (or 73624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131231010024 its reverse (420010132131), we get a palindrome (551241142155).

The spelling of 131231010024 in words is "one hundred thirty-one billion, two hundred thirty-one million, ten thousand, twenty-four".