102134311 has 4 divisors (see below), whose sum is σ = 102154624. Its totient is φ = 102114000.

The previous prime is 102134303. The next prime is 102134323. The reversal of 102134311 is 113431201.

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

It is a cyclic number.

It is not a de Polignac number, because 102134311 - 2³ = 102134303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102134371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571 + ... + 14731.

It is an arithmetic number, because the mean of its divisors is an integer number (25538656).

Almost surely, 2^102134311 is an apocalyptic number.

102134311 is a deficient number, since it is larger than the sum of its proper divisors (20313).

102134311 is an equidigital number, since it uses as much as digits as its factorization.

102134311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20312.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102134311 is about 10106.1521361990. The cubic root of 102134311 is about 467.4378629989.

Adding to 102134311 its reverse (113431201), we get a palindrome (215565512).

The spelling of 102134311 in words is "one hundred two million, one hundred thirty-four thousand, three hundred eleven".