102315441 has 4 divisors (see below), whose sum is σ = 136420592. Its totient is φ = 68210292.

The previous prime is 102315439. The next prime is 102315443. The reversal of 102315441 is 144513201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (102315439) and next prime (102315443).

It is not a de Polignac number, because 102315441 - 2¹ = 102315439 is a prime.

It is a super-3 number, since 3×102315441³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102315443) 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, 17052571 + ... + 17052576.

It is an arithmetic number, because the mean of its divisors is an integer number (34105148).

Almost surely, 2^102315441 is an apocalyptic number.

It is an amenable number.

102315441 is a deficient number, since it is larger than the sum of its proper divisors (34105151).

102315441 is an equidigital number, since it uses as much as digits as its factorization.

102315441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34105150.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102315441 is about 10115.1095396936. The cubic root of 102315441 is about 467.7140255593.

Adding to 102315441 its reverse (144513201), we get a palindrome (246828642).

The spelling of 102315441 in words is "one hundred two million, three hundred fifteen thousand, four hundred forty-one".