1213134344 has 16 divisors (see below), whose sum is σ = 2394344400. Its totient is φ = 574642512.

The previous prime is 1213134323. The next prime is 1213134359. The reversal of 1213134344 is 4434313121.

It is a happy number.

It is a super-3 number, since 3×1213134344³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990422 + ... + 3990725.

It is an arithmetic number, because the mean of its divisors is an integer number (149646525).

Almost surely, 2^1213134344 is an apocalyptic number.

It is an amenable number.

1213134344 is a deficient number, since it is larger than the sum of its proper divisors (1181210056).

1213134344 is a wasteful number, since it uses less digits than its factorization.

1213134344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981172 (or 7981168 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1213134344 is about 34830.0781509316. The cubic root of 1213134344 is about 1066.5215437114.

Adding to 1213134344 its reverse (4434313121), we get a palindrome (5647447465).

The spelling of 1213134344 in words is "one billion, two hundred thirteen million, one hundred thirty-four thousand, three hundred forty-four".