131703698977 has 4 divisors (see below), whose sum is σ = 132575909056. Its totient is φ = 130831488900.

The previous prime is 131703698957. The next prime is 131703698999. The reversal of 131703698977 is 779896307131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131703698977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131703698957) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 436104813 + ... + 436105114.

It is an arithmetic number, because the mean of its divisors is an integer number (33143977264).

Almost surely, 2^131703698977 is an apocalyptic number.

It is an amenable number.

131703698977 is a deficient number, since it is larger than the sum of its proper divisors (872210079).

131703698977 is an equidigital number, since it uses as much as digits as its factorization.

131703698977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872210078.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 131703698977 in words is "one hundred thirty-one billion, seven hundred three million, six hundred ninety-eight thousand, nine hundred seventy-seven".