103313012130021 has 16 divisors (see below), whose sum is σ = 137815838397440. Its totient is φ = 68842771311600.

The previous prime is 103313012130017. The next prime is 103313012130037. The reversal of 103313012130021 is 120031210313301.

It is a happy number.

It is not a de Polignac number, because 103313012130021 - 2² = 103313012130017 is a prime.

It is a super-3 number, since 3×103313012130021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103313012130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103313012132021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53162946 + ... + 55071996.

It is an arithmetic number, because the mean of its divisors is an integer number (8613489899840).

Almost surely, 2^{103313012130021} is an apocalyptic number.

It is an amenable number.

103313012130021 is a deficient number, since it is larger than the sum of its proper divisors (34502826267419).

103313012130021 is a wasteful number, since it uses less digits than its factorization.

103313012130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917576.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103313012130021 its reverse (120031210313301), we get a palindrome (223344222443322).

The spelling of 103313012130021 in words is "one hundred three trillion, three hundred thirteen billion, twelve million, one hundred thirty thousand, twenty-one".