43203100130257 has 2 divisors, whose sum is σ = 43203100130258. Its totient is φ = 43203100130256.

The previous prime is 43203100130171. The next prime is 43203100130293. The reversal of 43203100130257 is 75203100130234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27657932964561 + 15545167165696 = 5259081^2 + 3942736^2 .

It is a cyclic number.

It is not a de Polignac number, because 43203100130257 - 2¹⁹ = 43203099605969 is a prime.

It is not a weakly prime, because it can be changed into another prime (43203100130657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21601550065128 + 21601550065129.

It is an arithmetic number, because the mean of its divisors is an integer number (21601550065129).

Almost surely, 2^{43203100130257} is an apocalyptic number.

It is an amenable number.

43203100130257 is a deficient number, since it is larger than the sum of its proper divisors (1).

43203100130257 is an equidigital number, since it uses as much as digits as its factorization.

43203100130257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 43203100130257 in words is "forty-three trillion, two hundred three billion, one hundred million, one hundred thirty thousand, two hundred fifty-seven".