131487048050 has 54 divisors (see below), whose sum is σ = 258210936333. Its totient is φ = 49808209680.

The previous prime is 131487048023. The next prime is 131487048059. The reversal of 131487048050 is 50840784131.

It can be written as a sum of positive squares in 2 ways, for example, as 128857307089 + 2629740961 = 358967^2 + 51281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=256405.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131487047989 and 131487048007.

It is not an unprimeable number, because it can be changed into a prime (131487048059) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 48715601 + ... + 48718299.

Almost surely, 2^131487048050 is an apocalyptic number.

131487048050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131487048050 is a deficient number, since it is larger than the sum of its proper divisors (126723888283).

131487048050 is an frugal number, since it uses more digits than its factorization.

131487048050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 131487048050 in words is "one hundred thirty-one billion, four hundred eighty-seven million, forty-eight thousand, fifty".