1234312213 has 8 divisors (see below), whose sum is σ = 1286747136. Its totient is φ = 1182666000.

The previous prime is 1234312187. The next prime is 1234312223. The reversal of 1234312213 is 3122134321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234312213 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 (1234312223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193981 + ... + 200242.

It is an arithmetic number, because the mean of its divisors is an integer number (160843392).

Almost surely, 2^1234312213 is an apocalyptic number.

It is an amenable number.

1234312213 is a deficient number, since it is larger than the sum of its proper divisors (52434923).

1234312213 is a wasteful number, since it uses less digits than its factorization.

1234312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394355.

The product of its digits is 864, while the sum is 22.

The square root of 1234312213 is about 35132.7797505407. The cubic root of 1234312213 is about 1072.6919184989.

Adding to 1234312213 its reverse (3122134321), we get a palindrome (4356446534).

The spelling of 1234312213 in words is "one billion, two hundred thirty-four million, three hundred twelve thousand, two hundred thirteen".