131121305015310 has 48 divisors (see below), whose sum is σ = 343403826597936. Its totient is φ = 34710457382784.

The previous prime is 131121305015257. The next prime is 131121305015321. The reversal of 131121305015310 is 13510503121131.

131121305015310 is a `hidden beast` number, since 1 + 3 + 1 + 12 + 130 + 501 + 5 + 3 + 10 = 666.

It is a super-2 number, since 2×131121305015310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5317153324 + ... + 5317177983.

It is an arithmetic number, because the mean of its divisors is an integer number (7154246387457).

Almost surely, 2^{131121305015310} is an apocalyptic number.

131121305015310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121305015310 is an abundant number, since it is smaller than the sum of its proper divisors (212282521582626).

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

131121305015310 is a wasteful number, since it uses less digits than its factorization.

131121305015310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634331457 (or 10634331454 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

Adding to 131121305015310 its reverse (13510503121131), we get a palindrome (144631808136441).

The spelling of 131121305015310 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred five million, fifteen thousand, three hundred ten".