131120231222140 has 24 divisors (see below), whose sum is σ = 275352757439760. Its totient is φ = 52448040703488.

The previous prime is 131120231222111. The next prime is 131120231222153. The reversal of 131120231222140 is 41222132021131.

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, 22528204 + ... + 27744556.

It is an arithmetic number, because the mean of its divisors is an integer number (11473031559990).

Almost surely, 2^{131120231222140} is an apocalyptic number.

131120231222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120231222140 is an abundant number, since it is smaller than the sum of its proper divisors (144232526217620).

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

131120231222140 is a wasteful number, since it uses less digits than its factorization.

131120231222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473181 (or 6473179 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131120231222140 its reverse (41222132021131), we get a palindrome (172342363243271).

The spelling of 131120231222140 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred forty".