131140312122205 has 8 divisors (see below), whose sum is σ = 157552001593272. Its totient is φ = 104789831666688.

The previous prime is 131140312122187. The next prime is 131140312122227. The reversal of 131140312122205 is 502221213041131.

It can be written as a sum of positive squares in 4 ways, for example, as 57373565317156 + 73766746805049 = 7574534^2 + 8588757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131140312122205 - 2¹¹ = 131140312120157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15302249172 + ... + 15302257741.

It is an arithmetic number, because the mean of its divisors is an integer number (19694000199159).

Almost surely, 2^{131140312122205} is an apocalyptic number.

It is an amenable number.

131140312122205 is a deficient number, since it is larger than the sum of its proper divisors (26411689471067).

131140312122205 is an equidigital number, since it uses as much as digits as its factorization.

131140312122205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30604507775.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 131140312122205 its reverse (502221213041131), we get a palindrome (633361525163336).

The spelling of 131140312122205 in words is "one hundred thirty-one trillion, one hundred forty billion, three hundred twelve million, one hundred twenty-two thousand, two hundred five".