213113103 has 32 divisors (see below), whose sum is σ = 336153600. Its totient is φ = 120022560.

The previous prime is 213113099. The next prime is 213113107. The reversal of 213113103 is 301311312.

It is an interprime number because it is at equal distance from previous prime (213113099) and next prime (213113107).

It is not a de Polignac number, because 213113103 - 2² = 213113099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71601 + ... + 74517.

It is an arithmetic number, because the mean of its divisors is an integer number (10504800).

Almost surely, 2^213113103 is an apocalyptic number.

213113103 is a deficient number, since it is larger than the sum of its proper divisors (123040497).

213113103 is an equidigital number, since it uses as much as digits as its factorization.

213113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 2998 counting only the distinct ones).

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

The square root of 213113103 is about 14598.3938500097. The cubic root of 213113103 is about 597.3149493176.

Adding to 213113103 its reverse (301311312), we get a palindrome (514424415).

The spelling of 213113103 in words is "two hundred thirteen million, one hundred thirteen thousand, one hundred three".