431103656056657 has 2 divisors, whose sum is σ = 431103656056658. Its totient is φ = 431103656056656.

The previous prime is 431103656056547. The next prime is 431103656056681. The reversal of 431103656056657 is 756650656301134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430731795138241 + 371860918416 = 20754079^2 + 609804^2 .

It is a cyclic number.

It is not a de Polignac number, because 431103656056657 - 2⁴⁷ = 290366167701329 is a prime.

It is not a weakly prime, because it can be changed into another prime (431103650056657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215551828028328 + 215551828028329.

It is an arithmetic number, because the mean of its divisors is an integer number (215551828028329).

Almost surely, 2^{431103656056657} is an apocalyptic number.

It is an amenable number.

431103656056657 is a deficient number, since it is larger than the sum of its proper divisors (1).

431103656056657 is an equidigital number, since it uses as much as digits as its factorization.

431103656056657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824000, while the sum is 58.

The spelling of 431103656056657 in words is "four hundred thirty-one trillion, one hundred three billion, six hundred fifty-six million, fifty-six thousand, six hundred fifty-seven".