131120312350546 has 4 divisors (see below), whose sum is σ = 196680468525822. Its totient is φ = 65560156175272.

The previous prime is 131120312350541. The next prime is 131120312350583. The reversal of 131120312350546 is 645053213021131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78914990994921 + 52205321355625 = 8883411^2 + 7225325^2 .

It is not an unprimeable number, because it can be changed into a prime (131120312350541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780078087635 + ... + 32780078087638.

Almost surely, 2^{131120312350546} is an apocalyptic number.

131120312350546 is a deficient number, since it is larger than the sum of its proper divisors (65560156175276).

131120312350546 is an equidigital number, since it uses as much as digits as its factorization.

131120312350546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65560156175275.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 131120312350546 its reverse (645053213021131), we get a palindrome (776173525371677).

The spelling of 131120312350546 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred twelve million, three hundred fifty thousand, five hundred forty-six".