131102303201 has 4 divisors (see below), whose sum is σ = 131130678804. Its totient is φ = 131073927600.

The previous prime is 131102303173. The next prime is 131102303251. The reversal of 131102303201 is 102303201131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102303201131 = 211711 ⋅483221.

It can be written as a sum of positive squares in 2 ways, for example, as 83382337600 + 47719965601 = 288760^2 + 218449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131102303201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131102303201.

It is not an unprimeable number, because it can be changed into a prime (131102303251) 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, 14180870 + ... + 14190111.

It is an arithmetic number, because the mean of its divisors is an integer number (32782669701).

Almost surely, 2^131102303201 is an apocalyptic number.

It is an amenable number.

131102303201 is a deficient number, since it is larger than the sum of its proper divisors (28375603).

131102303201 is an equidigital number, since it uses as much as digits as its factorization.

131102303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28375602.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131102303201 its reverse (102303201131), we get a palindrome (233405504332).

The spelling of 131102303201 in words is "one hundred thirty-one billion, one hundred two million, three hundred three thousand, two hundred one".