102315013020 has 108 divisors (see below), whose sum is σ = 341134673880. Its totient is φ = 24803634240.

The previous prime is 102315013007. The next prime is 102315013039. The reversal of 102315013020 is 20310513201.

102315013020 is a `hidden beast` number, since 102 + 31 + 501 + 30 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102315012984 and 102315013002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2327050 + ... + 2370609.

Almost surely, 2^102315013020 is an apocalyptic number.

102315013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102315013020 is an abundant number, since it is smaller than the sum of its proper divisors (238819660860).

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

102315013020 is a wasteful number, since it uses less digits than its factorization.

102315013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697696 (or 4697680 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 102315013020 its reverse (20310513201), we get a palindrome (122625526221).

The spelling of 102315013020 in words is "one hundred two billion, three hundred fifteen million, thirteen thousand, twenty".