131320020002051 has 2 divisors, whose sum is σ = 131320020002052. Its totient is φ = 131320020002050.

The previous prime is 131320020002023. The next prime is 131320020002153. The reversal of 131320020002051 is 150200020023131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131320020002051 is a prime.

It is not a weakly prime, because it can be changed into another prime (131320020002251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660010001025 + 65660010001026.

It is an arithmetic number, because the mean of its divisors is an integer number (65660010001026).

Almost surely, 2^{131320020002051} is an apocalyptic number.

131320020002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

131320020002051 is an equidigital number, since it uses as much as digits as its factorization.

131320020002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 131320020002051 its reverse (150200020023131), we get a palindrome (281520040025182).

The spelling of 131320020002051 in words is "one hundred thirty-one trillion, three hundred twenty billion, twenty million, two thousand, fifty-one".