131210266550 has 192 divisors, whose sum is σ = 281939097600. Its totient is φ = 44990400000.

The previous prime is 131210266547. The next prime is 131210266559. The reversal of 131210266550 is 55662012131.

It is a super-2 number, since 2×131210266550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210266559) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 127264535 + ... + 127265565.

It is an arithmetic number, because the mean of its divisors is an integer number (1468432800).

Almost surely, 2^131210266550 is an apocalyptic number.

131210266550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131210266550 is an abundant number, since it is smaller than the sum of its proper divisors (150728831050).

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

131210266550 is a wasteful number, since it uses less digits than its factorization.

131210266550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 131210266550 its reverse (55662012131), we get a palindrome (186872278681).

The spelling of 131210266550 in words is "one hundred thirty-one billion, two hundred ten million, two hundred sixty-six thousand, five hundred fifty".