131446723550 has 24 divisors (see below), whose sum is σ = 251098771656. Its totient is φ = 51157643040.

The previous prime is 131446723483. The next prime is 131446723669. The reversal of 131446723550 is 55327644131.

131446723550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131446723550² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131446723498 and 131446723507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35524292 + ... + 35527991.

It is an arithmetic number, because the mean of its divisors is an integer number (10462448819).

Almost surely, 2^131446723550 is an apocalyptic number.

131446723550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131446723550 is a deficient number, since it is larger than the sum of its proper divisors (119652048106).

131446723550 is a wasteful number, since it uses less digits than its factorization.

131446723550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71052332 (or 71052327 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 131446723550 in words is "one hundred thirty-one billion, four hundred forty-six million, seven hundred twenty-three thousand, five hundred fifty".