27430011231 has 16 divisors (see below), whose sum is σ = 41816868864. Its totient is φ = 15667258464.

The previous prime is 27430011221. The next prime is 27430011233. The reversal of 27430011231 is 13211003472.

It is a happy number.

It is not a de Polignac number, because 27430011231 - 2⁵ = 27430011199 is a prime.

It is a super-2 number, since 2×27430011231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27430011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244975 + ... + 338928.

It is an arithmetic number, because the mean of its divisors is an integer number (2613554304).

Almost surely, 2^27430011231 is an apocalyptic number.

27430011231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27430011231 is a deficient number, since it is larger than the sum of its proper divisors (14386857633).

27430011231 is a wasteful number, since it uses less digits than its factorization.

27430011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586150.

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 27430011231 in words is "twenty-seven billion, four hundred thirty million, eleven thousand, two hundred thirty-one".