128703731371 has 2 divisors, whose sum is σ = 128703731372. Its totient is φ = 128703731370.

The previous prime is 128703731363. The next prime is 128703731411. The reversal of 128703731371 is 173137307821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128703731371 - 2³ = 128703731363 is a prime.

It is a super-3 number, since 3×128703731371³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (128703731341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64351865685 + 64351865686.

It is an arithmetic number, because the mean of its divisors is an integer number (64351865686).

Almost surely, 2^128703731371 is an apocalyptic number.

128703731371 is a deficient number, since it is larger than the sum of its proper divisors (1).

128703731371 is an equidigital number, since it uses as much as digits as its factorization.

128703731371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 128703731371 in words is "one hundred twenty-eight billion, seven hundred three million, seven hundred thirty-one thousand, three hundred seventy-one".