102731102 has 8 divisors (see below), whose sum is σ = 163161216. Its totient is φ = 48344032.

The previous prime is 102731099. The next prime is 102731113. The reversal of 102731102 is 201137201.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510718 + ... + 1510785.

It is an arithmetic number, because the mean of its divisors is an integer number (20395152).

Almost surely, 2^102731102 is an apocalyptic number.

102731102 is a deficient number, since it is larger than the sum of its proper divisors (60430114).

102731102 is a wasteful number, since it uses less digits than its factorization.

102731102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021522.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 102731102 is about 10135.6352538950. The cubic root of 102731102 is about 468.3465394243.

Adding to 102731102 its reverse (201137201), we get a palindrome (303868303).

The spelling of 102731102 in words is "one hundred two million, seven hundred thirty-one thousand, one hundred two".