27731656130 has 32 divisors (see below), whose sum is σ = 53749111680. Its totient is φ = 10263197440.

The previous prime is 27731656123. The next prime is 27731656133. The reversal of 27731656130 is 3165613772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27731656133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372406 + ... + 1392465.

It is an arithmetic number, because the mean of its divisors is an integer number (1679659740).

Almost surely, 2^27731656130 is an apocalyptic number.

27731656130 is a deficient number, since it is larger than the sum of its proper divisors (26017455550).

27731656130 is a wasteful number, since it uses less digits than its factorization.

27731656130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764954.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 27731656130 in words is "twenty-seven billion, seven hundred thirty-one million, six hundred fifty-six thousand, one hundred thirty".