131135200334450 has 48 divisors (see below), whose sum is σ = 264141345746880. Its totient is φ = 48148652800320.

The previous prime is 131135200334423. The next prime is 131135200334497. The reversal of 131135200334450 is 54433002531131.

It is a self number, because there is not a number n which added to its sum of digits gives 131135200334450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563421254 + ... + 563653953.

It is an arithmetic number, because the mean of its divisors is an integer number (5502944703060).

Almost surely, 2^{131135200334450} is an apocalyptic number.

131135200334450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131135200334450 is an abundant number, since it is smaller than the sum of its proper divisors (133006145412430).

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

131135200334450 is a wasteful number, since it uses less digits than its factorization.

131135200334450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127075411 (or 1127075406 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 131135200334450 its reverse (54433002531131), we get a palindrome (185568202865581).

The spelling of 131135200334450 in words is "one hundred thirty-one trillion, one hundred thirty-five billion, two hundred million, three hundred thirty-four thousand, four hundred fifty".