102731067 has 12 divisors (see below), whose sum is σ = 149831344. Its totient is φ = 67821840.

The previous prime is 102731063. The next prime is 102731089. The reversal of 102731067 is 760137201.

It is not a de Polignac number, because 102731067 - 2² = 102731063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102731067.

It is not an unprimeable number, because it can be changed into a prime (102731063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54484 + ... + 56337.

Almost surely, 2^102731067 is an apocalyptic number.

102731067 is a deficient number, since it is larger than the sum of its proper divisors (47100277).

102731067 is a wasteful number, since it uses less digits than its factorization.

102731067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110930 (or 110927 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 102731067 is about 10135.6335273134. The cubic root of 102731067 is about 468.3464862365.

Adding to 102731067 its reverse (760137201), we get a palindrome (862868268).

The spelling of 102731067 in words is "one hundred two million, seven hundred thirty-one thousand, sixty-seven".