102031093 has 4 divisors (see below), whose sum is σ = 108032940. Its totient is φ = 96029248.

The previous prime is 102031091. The next prime is 102031129. The reversal of 102031093 is 390130201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50794129 + 51236964 = 7127^2 + 7158^2 .

It is a cyclic number.

It is not a de Polignac number, because 102031093 - 2¹ = 102031091 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 102031093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000898 + ... + 3000931.

It is an arithmetic number, because the mean of its divisors is an integer number (27008235).

Almost surely, 2^102031093 is an apocalyptic number.

It is an amenable number.

102031093 is a deficient number, since it is larger than the sum of its proper divisors (6001847).

102031093 is an equidigital number, since it uses as much as digits as its factorization.

102031093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001846.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 102031093 is about 10101.0441539477. The cubic root of 102031093 is about 467.2803440636.

Adding to 102031093 its reverse (390130201), we get a palindrome (492161294).

The spelling of 102031093 in words is "one hundred two million, thirty-one thousand, ninety-three".