800028159431 has 2 divisors, whose sum is σ = 800028159432. Its totient is φ = 800028159430.

The previous prime is 800028159409. The next prime is 800028159443. The reversal of 800028159431 is 134951820008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 800028159431 - 2⁶ = 800028159367 is a prime.

It is a super-2 number, since 2×800028159431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800028159401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400014079715 + 400014079716.

It is an arithmetic number, because the mean of its divisors is an integer number (400014079716).

Almost surely, 2^800028159431 is an apocalyptic number.

800028159431 is a deficient number, since it is larger than the sum of its proper divisors (1).

800028159431 is an equidigital number, since it uses as much as digits as its factorization.

800028159431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

Adding to 800028159431 its reverse (134951820008), we get a palindrome (934979979439).

The spelling of 800028159431 in words is "eight hundred billion, twenty-eight million, one hundred fifty-nine thousand, four hundred thirty-one".