131321801054 has 4 divisors (see below), whose sum is σ = 196982701584. Its totient is φ = 65660900526.

The previous prime is 131321801053. The next prime is 131321801063. The reversal of 131321801054 is 450108123131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450108123131 = 23 ⋅19569918397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321801053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32830450262 + ... + 32830450265.

It is an arithmetic number, because the mean of its divisors is an integer number (49245675396).

Almost surely, 2^131321801054 is an apocalyptic number.

131321801054 is a deficient number, since it is larger than the sum of its proper divisors (65660900530).

131321801054 is an equidigital number, since it uses as much as digits as its factorization.

131321801054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65660900529.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 131321801054 its reverse (450108123131), we get a palindrome (581429924185).

The spelling of 131321801054 in words is "one hundred thirty-one billion, three hundred twenty-one million, eight hundred one thousand, fifty-four".