28310127271102 has 4 divisors (see below), whose sum is σ = 42465190906656. Its totient is φ = 14155063635550.

The previous prime is 28310127271099. The next prime is 28310127271157. The reversal of 28310127271102 is 20117272101382.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×28310127271102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077531817774 + ... + 7077531817777.

It is an arithmetic number, because the mean of its divisors is an integer number (10616297726664).

Almost surely, 2^{28310127271102} is an apocalyptic number.

28310127271102 is a deficient number, since it is larger than the sum of its proper divisors (14155063635554).

28310127271102 is a wasteful number, since it uses less digits than its factorization.

28310127271102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14155063635553.

The product of its (nonzero) digits is 18816, while the sum is 37.

Adding to 28310127271102 its reverse (20117272101382), we get a palindrome (48427399372484).

The spelling of 28310127271102 in words is "twenty-eight trillion, three hundred ten billion, one hundred twenty-seven million, two hundred seventy-one thousand, one hundred two".