131330303746 has 4 divisors (see below), whose sum is σ = 196995455622. Its totient is φ = 65665151872.

The previous prime is 131330303651. The next prime is 131330303759. The reversal of 131330303746 is 647303033131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647303033131 = 220667 ⋅2933393.

It can be written as a sum of positive squares in only one way, i.e., 98555184225 + 32775119521 = 313935^2 + 181039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832575935 + ... + 32832575938.

Almost surely, 2^131330303746 is an apocalyptic number.

131330303746 is a deficient number, since it is larger than the sum of its proper divisors (65665151876).

131330303746 is an equidigital number, since it uses as much as digits as its factorization.

131330303746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65665151875.

The product of its (nonzero) digits is 40824, while the sum is 34.

Adding to 131330303746 its reverse (647303033131), we get a palindrome (778633336877).

The spelling of 131330303746 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred three thousand, seven hundred forty-six".