131011141243240 has 16 divisors (see below), whose sum is σ = 294775067797380. Its totient is φ = 52404456497280.

The previous prime is 131011141243211. The next prime is 131011141243291. The reversal of 131011141243240 is 42342141110131.

It can be written as a sum of positive squares in 2 ways, for example, as 126086443507684 + 4924697735556 = 11228822^2 + 2219166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131011141243199 and 131011141243208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637639265501 + ... + 1637639265580.

Almost surely, 2^{131011141243240} is an apocalyptic number.

131011141243240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131011141243240 is an abundant number, since it is smaller than the sum of its proper divisors (163763926554140).

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

131011141243240 is a wasteful number, since it uses less digits than its factorization.

131011141243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275278531092 (or 3275278531088 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 131011141243240 its reverse (42342141110131), we get a palindrome (173353282353371).

The spelling of 131011141243240 in words is "one hundred thirty-one trillion, eleven billion, one hundred forty-one million, two hundred forty-three thousand, two hundred forty".