131434220503331 has 2 divisors, whose sum is σ = 131434220503332. Its totient is φ = 131434220503330.

The previous prime is 131434220503309. The next prime is 131434220503379. The reversal of 131434220503331 is 133305022434131.

It is a weak prime.

It is an emirp because it is prime and its reverse (133305022434131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131434220503331 - 2³⁰ = 131433146761507 is a prime.

It is a super-2 number, since 2×131434220503331² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 131434220503291 and 131434220503300.

It is not a weakly prime, because it can be changed into another prime (131434220503301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65717110251665 + 65717110251666.

It is an arithmetic number, because the mean of its divisors is an integer number (65717110251666).

Almost surely, 2^{131434220503331} is an apocalyptic number.

131434220503331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131434220503331 is an equidigital number, since it uses as much as digits as its factorization.

131434220503331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 131434220503331 its reverse (133305022434131), we get a palindrome (264739242937462).

The spelling of 131434220503331 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, two hundred twenty million, five hundred three thousand, three hundred thirty-one".