103311213 has 4 divisors (see below), whose sum is σ = 137748288. Its totient is φ = 68874140.

The previous prime is 103311209. The next prime is 103311259. The reversal of 103311213 is 312113301.

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 103311213 - 2² = 103311209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103311192 and 103311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311203) 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, 17218533 + ... + 17218538.

It is an arithmetic number, because the mean of its divisors is an integer number (34437072).

Almost surely, 2^103311213 is an apocalyptic number.

It is an amenable number.

103311213 is a deficient number, since it is larger than the sum of its proper divisors (34437075).

103311213 is an equidigital number, since it uses as much as digits as its factorization.

103311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437074.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 103311213 is about 10164.2123649597. The cubic root of 103311213 is about 469.2264520176.

Adding to 103311213 its reverse (312113301), we get a palindrome (415424514).

It can be divided in two parts, 1033 and 11213, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 103311213 in words is "one hundred three million, three hundred eleven thousand, two hundred thirteen".