831056234434553 has 2 divisors, whose sum is σ = 831056234434554. Its totient is φ = 831056234434552.

The previous prime is 831056234434511. The next prime is 831056234434597. The reversal of 831056234434553 is 355434432650138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800358783915769 + 30697450518784 = 28290613^2 + 5540528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-831056234434553 is a prime.

It is not a weakly prime, because it can be changed into another prime (831056234434453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415528117217276 + 415528117217277.

It is an arithmetic number, because the mean of its divisors is an integer number (415528117217277).

Almost surely, 2^{831056234434553} is an apocalyptic number.

It is an amenable number.

831056234434553 is a deficient number, since it is larger than the sum of its proper divisors (1).

831056234434553 is an equidigital number, since it uses as much as digits as its factorization.

831056234434553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 831056234434553 in words is "eight hundred thirty-one trillion, fifty-six billion, two hundred thirty-four million, four hundred thirty-four thousand, five hundred fifty-three".