1213341351 has 4 divisors (see below), whose sum is σ = 1617788472. Its totient is φ = 808894232.

The previous prime is 1213341347. The next prime is 1213341359. The reversal of 1213341351 is 1531433121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1213341351 - 2² = 1213341347 is a prime.

It is a super-3 number, since 3×1213341351³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213341359) 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, 202223556 + ... + 202223561.

It is an arithmetic number, because the mean of its divisors is an integer number (404447118).

Almost surely, 2^1213341351 is an apocalyptic number.

1213341351 is a deficient number, since it is larger than the sum of its proper divisors (404447121).

1213341351 is an equidigital number, since it uses as much as digits as its factorization.

1213341351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404447120.

The product of its digits is 1080, while the sum is 24.

The square root of 1213341351 is about 34833.0496942200. The cubic root of 1213341351 is about 1066.5822033489.

Adding to 1213341351 its reverse (1531433121), we get a palindrome (2744774472).

The spelling of 1213341351 in words is "one billion, two hundred thirteen million, three hundred forty-one thousand, three hundred fifty-one".