27730357131 has 8 divisors (see below), whose sum is σ = 36982785024. Its totient is φ = 18482417000.

The previous prime is 27730357073. The next prime is 27730357147. The reversal of 27730357131 is 13175303772.

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

It is a cyclic number.

It is not a de Polignac number, because 27730357131 - 2¹¹ = 27730355083 is a prime.

It is a super-3 number, since 3×27730357131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 27730357131.

It is not an unprimeable number, because it can be changed into a prime (27730357531) 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, 1107495 + ... + 1132256.

It is an arithmetic number, because the mean of its divisors is an integer number (4622848128).

Almost surely, 2^27730357131 is an apocalyptic number.

27730357131 is a deficient number, since it is larger than the sum of its proper divisors (9252427893).

27730357131 is a wasteful number, since it uses less digits than its factorization.

27730357131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243881.

The product of its (nonzero) digits is 92610, while the sum is 39.

The spelling of 27730357131 in words is "twenty-seven billion, seven hundred thirty million, three hundred fifty-seven thousand, one hundred thirty-one".