102315003520 has 32 divisors (see below), whose sum is σ = 244596806820. Its totient is φ = 40926001152.

The previous prime is 102315003481. The next prime is 102315003529. The reversal of 102315003520 is 25300513201.

It can be written as a sum of positive squares in 2 ways, for example, as 82148731456 + 20166272064 = 286616^2 + 142008^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×102315003520² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102315003491 and 102315003500.

It is not an unprimeable number, because it can be changed into a prime (102315003529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79932957 + ... + 79934236.

Almost surely, 2^102315003520 is an apocalyptic number.

102315003520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102315003520 is an abundant number, since it is smaller than the sum of its proper divisors (142281803300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102315003520 is an equidigital number, since it uses as much as digits as its factorization.

102315003520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159867212 (or 159867200 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 102315003520 its reverse (25300513201), we get a palindrome (127615516721).

The spelling of 102315003520 in words is "one hundred two billion, three hundred fifteen million, three thousand, five hundred twenty".