120102313 has 4 divisors (see below), whose sum is σ = 120549060. Its totient is φ = 119655568.

The previous prime is 120102239. The next prime is 120102319. The reversal of 120102313 is 313201021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313201021 = 7 ⋅44743003.

It can be written as a sum of positive squares in 2 ways, for example, as 37601424 + 82500889 = 6132^2 + 9083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120102313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102293 and 120102302.

It is not an unprimeable number, because it can be changed into a prime (120102319) 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, 222970 + ... + 223507.

It is an arithmetic number, because the mean of its divisors is an integer number (30137265).

Almost surely, 2^120102313 is an apocalyptic number.

It is an amenable number.

120102313 is a deficient number, since it is larger than the sum of its proper divisors (446747).

120102313 is an equidigital number, since it uses as much as digits as its factorization.

120102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446746.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120102313 is about 10959.1200832914. The cubic root of 120102313 is about 493.3825559096.

Adding to 120102313 its reverse (313201021), we get a palindrome (433303334).

The spelling of 120102313 in words is "one hundred twenty million, one hundred two thousand, three hundred thirteen".