102320351 has 4 divisors (see below), whose sum is σ = 116937552. Its totient is φ = 87703152.

The previous prime is 102320341. The next prime is 102320389. The reversal of 102320351 is 153023201.

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 102320351 - 2⁶ = 102320287 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 (102320321) 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, 7308590 + ... + 7308603.

It is an arithmetic number, because the mean of its divisors is an integer number (29234388).

Almost surely, 2^102320351 is an apocalyptic number.

102320351 is a deficient number, since it is larger than the sum of its proper divisors (14617201).

102320351 is an equidigital number, since it uses as much as digits as its factorization.

102320351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14617200.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 102320351 is about 10115.3522430017. The cubic root of 102320351 is about 467.7215071252.

Adding to 102320351 its reverse (153023201), we get a palindrome (255343552).

The spelling of 102320351 in words is "one hundred two million, three hundred twenty thousand, three hundred fifty-one".