263131755343 has 2 divisors, whose sum is σ = 263131755344. Its totient is φ = 263131755342.

The previous prime is 263131755311. The next prime is 263131755427. The reversal of 263131755343 is 343557131362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263131755343 - 2⁵ = 263131755311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263131755343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263131759343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131565877671 + 131565877672.

It is an arithmetic number, because the mean of its divisors is an integer number (131565877672).

Almost surely, 2^263131755343 is an apocalyptic number.

263131755343 is a deficient number, since it is larger than the sum of its proper divisors (1).

263131755343 is an equidigital number, since it uses as much as digits as its factorization.

263131755343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 43.

The spelling of 263131755343 in words is "two hundred sixty-three billion, one hundred thirty-one million, seven hundred fifty-five thousand, three hundred forty-three".