113012213 has 4 divisors (see below), whose sum is σ = 115640448. Its totient is φ = 110383980.

The previous prime is 113012201. The next prime is 113012231. The reversal of 113012213 is 312210311.

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 113012213 - 2¹² = 113008117 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 (113012813) 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, 1314053 + ... + 1314138.

It is an arithmetic number, because the mean of its divisors is an integer number (28910112).

Almost surely, 2^113012213 is an apocalyptic number.

It is an amenable number.

113012213 is a deficient number, since it is larger than the sum of its proper divisors (2628235).

113012213 is an equidigital number, since it uses as much as digits as its factorization.

113012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628234.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 113012213 is about 10630.7202484121. The cubic root of 113012213 is about 483.4762294362.

Adding to 113012213 its reverse (312210311), we get a palindrome (425222524).

The spelling of 113012213 in words is "one hundred thirteen million, twelve thousand, two hundred thirteen".