2151131662343 has 2 divisors, whose sum is σ = 2151131662344. Its totient is φ = 2151131662342.

The previous prime is 2151131662333. The next prime is 2151131662373. The reversal of 2151131662343 is 3432661311512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151131662343 - 2²⁸ = 2150863226887 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151131662297 and 2151131662306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151131662313) 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 as a sum of consecutive naturals, namely, 1075565831171 + 1075565831172.

It is an arithmetic number, because the mean of its divisors is an integer number (1075565831172).

Almost surely, 2^{2151131662343} is an apocalyptic number.

2151131662343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151131662343 is an equidigital number, since it uses as much as digits as its factorization.

2151131662343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

Adding to 2151131662343 its reverse (3432661311512), we get a palindrome (5583792973855).

The spelling of 2151131662343 in words is "two trillion, one hundred fifty-one billion, one hundred thirty-one million, six hundred sixty-two thousand, three hundred forty-three".