131233440212440 has 32 divisors (see below), whose sum is σ = 295282262429280. Its totient is φ = 52492127738112.

The previous prime is 131233440212429. The next prime is 131233440212453. The reversal of 131233440212440 is 44212044332131.

It is a junction number, because it is equal to n+sod(n) for n = 131233440212396 and 131233440212405.

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, 37306884 + ... + 40672723.

It is an arithmetic number, because the mean of its divisors is an integer number (9227570700915).

Almost surely, 2^{131233440212440} is an apocalyptic number.

131233440212440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131233440212440 is an abundant number, since it is smaller than the sum of its proper divisors (164048822216840).

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

131233440212440 is a wasteful number, since it uses less digits than its factorization.

131233440212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78021691 (or 78021687 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 131233440212440 its reverse (44212044332131), we get a palindrome (175445484544571).

The spelling of 131233440212440 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, four hundred forty million, two hundred twelve thousand, four hundred forty".