103145521213 has 12 divisors (see below), whose sum is σ = 119997873792. Its totient is φ = 88401407640.

The previous prime is 103145521201. The next prime is 103145521223. The reversal of 103145521213 is 312125541301.

It is not a de Polignac number, because 103145521213 - 2¹⁷ = 103145390141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103145521223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400806 + ... + 605752.

It is an arithmetic number, because the mean of its divisors is an integer number (9999822816).

Almost surely, 2^103145521213 is an apocalyptic number.

It is an amenable number.

103145521213 is a deficient number, since it is larger than the sum of its proper divisors (16852352579).

103145521213 is a wasteful number, since it uses less digits than its factorization.

103145521213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215232 (or 215225 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 103145521213 in words is "one hundred three billion, one hundred forty-five million, five hundred twenty-one thousand, two hundred thirteen".