27430052831 has 2 divisors, whose sum is σ = 27430052832. Its totient is φ = 27430052830.

The previous prime is 27430052813. The next prime is 27430052833. The reversal of 27430052831 is 13825003472.

Together with previous prime (27430052813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27430052831 - 2¹⁰ = 27430051807 is a prime.

It is a super-2 number, since 2×27430052831² (a number of 22 digits) contains 22 as substring.

Together with 27430052833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27430052791 and 27430052800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27430052833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13715026415 + 13715026416.

It is an arithmetic number, because the mean of its divisors is an integer number (13715026416).

Almost surely, 2^27430052831 is an apocalyptic number.

27430052831 is a deficient number, since it is larger than the sum of its proper divisors (1).

27430052831 is an equidigital number, since it uses as much as digits as its factorization.

27430052831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 27430052831 in words is "twenty-seven billion, four hundred thirty million, fifty-two thousand, eight hundred thirty-one".