102313020 has 96 divisors (see below), whose sum is σ = 300496896. Its totient is φ = 25977600.

The previous prime is 102313019. The next prime is 102313037. The reversal of 102313020 is 20313201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102312987 and 102313005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124210 + ... + 125030.

It is an arithmetic number, because the mean of its divisors is an integer number (3130176).

Almost surely, 2^102313020 is an apocalyptic number.

102313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102313020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150248448).

102313020 is an abundant number, since it is smaller than the sum of its proper divisors (198183876).

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

102313020 is a wasteful number, since it uses less digits than its factorization.

102313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 102313020 is about 10114.9898665298. The cubic root of 102313020 is about 467.7103364955.

Adding to 102313020 its reverse (20313201), we get a palindrome (122626221).

The spelling of 102313020 in words is "one hundred two million, three hundred thirteen thousand, twenty".