27313512100 has 72 divisors (see below), whose sum is σ = 68665549568. Its totient is φ = 9236332800.

The previous prime is 27313512089. The next prime is 27313512131. The reversal of 27313512100 is 121531372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216156 + ... + 318355.

Almost surely, 2^27313512100 is an apocalyptic number.

27313512100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27313512100 is an abundant number, since it is smaller than the sum of its proper divisors (41352037468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27313512100 is a wasteful number, since it uses less digits than its factorization.

27313512100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534605 (or 534598 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 27313512100 in words is "twenty-seven billion, three hundred thirteen million, five hundred twelve thousand, one hundred".