131102421032201 has 4 divisors (see below), whose sum is σ = 131102459052804. Its totient is φ = 131102383011600.

The previous prime is 131102421032183. The next prime is 131102421032227. The reversal of 131102421032201 is 102230124201131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 76966318572025 + 54136102460176 = 8773045^2 + 7357724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131102421032201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131102421032101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13257770 + ... + 20927811.

It is an arithmetic number, because the mean of its divisors is an integer number (32775614763201).

Almost surely, 2^{131102421032201} is an apocalyptic number.

It is an amenable number.

131102421032201 is a deficient number, since it is larger than the sum of its proper divisors (38020603).

131102421032201 is an equidigital number, since it uses as much as digits as its factorization.

131102421032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38020602.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131102421032201 its reverse (102230124201131), we get a palindrome (233332545233332).

The spelling of 131102421032201 in words is "one hundred thirty-one trillion, one hundred two billion, four hundred twenty-one million, thirty-two thousand, two hundred one".