103112020213 has 4 divisors (see below), whose sum is σ = 103121173440. Its totient is φ = 103102866988.

The previous prime is 103112020183. The next prime is 103112020241. The reversal of 103112020213 is 312020211301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103112020213 - 2¹⁷ = 103111889141 is a prime.

It is a super-2 number, since 2×103112020213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112020273) 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, 4559695 + ... + 4582252.

It is an arithmetic number, because the mean of its divisors is an integer number (25780293360).

Almost surely, 2^103112020213 is an apocalyptic number.

It is an amenable number.

103112020213 is a deficient number, since it is larger than the sum of its proper divisors (9153227).

103112020213 is an equidigital number, since it uses as much as digits as its factorization.

103112020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153226.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103112020213 its reverse (312020211301), we get a palindrome (415132231514).

The spelling of 103112020213 in words is "one hundred three billion, one hundred twelve million, twenty thousand, two hundred thirteen".