103112021013 has 8 divisors (see below), whose sum is σ = 137532644928. Its totient is φ = 68716372224.

The previous prime is 103112021009. The next prime is 103112021137. The reversal of 103112021013 is 310120211301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103112021013 - 2² = 103112021009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103112020983 and 103112021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112021713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6234145 + ... + 6250662.

It is an arithmetic number, because the mean of its divisors is an integer number (17191580616).

Almost surely, 2^103112021013 is an apocalyptic number.

It is an amenable number.

103112021013 is a deficient number, since it is larger than the sum of its proper divisors (34420623915).

103112021013 is a wasteful number, since it uses less digits than its factorization.

103112021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487563.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103112021013 its reverse (310120211301), we get a palindrome (413232232314).

The spelling of 103112021013 in words is "one hundred three billion, one hundred twelve million, twenty-one thousand, thirteen".