27340320431 has 8 divisors (see below), whose sum is σ = 28979752320. Its totient is φ = 25704352768.

The previous prime is 27340320421. The next prime is 27340320443. The reversal of 27340320431 is 13402304372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27340320431 is a prime.

It is a super-2 number, since 2×27340320431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27340320394 and 27340320403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27340320421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849791 + ... + 881376.

It is an arithmetic number, because the mean of its divisors is an integer number (3622469040).

Almost surely, 2^27340320431 is an apocalyptic number.

27340320431 is a deficient number, since it is larger than the sum of its proper divisors (1639431889).

27340320431 is a wasteful number, since it uses less digits than its factorization.

27340320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732113.

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 27340320431 in words is "twenty-seven billion, three hundred forty million, three hundred twenty thousand, four hundred thirty-one".