103213212013013 has 4 divisors (see below), whose sum is σ = 103213672868460. Its totient is φ = 103212751157568.

The previous prime is 103213212012931. The next prime is 103213212013039. The reversal of 103213212013013 is 310310212312301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57884205099889 + 45329006913124 = 7608167^2 + 6732682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103213212013013 is a prime.

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 103213212013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213212013213) 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, 230091620 + ... + 230539757.

It is an arithmetic number, because the mean of its divisors is an integer number (25803418217115).

Almost surely, 2^{103213212013013} is an apocalyptic number.

It is an amenable number.

103213212013013 is a deficient number, since it is larger than the sum of its proper divisors (460855447).

103213212013013 is an equidigital number, since it uses as much as digits as its factorization.

103213212013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460855446.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 103213212013013 its reverse (310310212312301), we get a palindrome (413523424325314).

The spelling of 103213212013013 in words is "one hundred three trillion, two hundred thirteen billion, two hundred twelve million, thirteen thousand, thirteen".