1213313134 has 16 divisors (see below), whose sum is σ = 2089918080. Its totient is φ = 522479160.

The previous prime is 1213313099. The next prime is 1213313147. The reversal of 1213313134 is 4313133121.

It is a super-2 number, since 2×1213313134² = 2944257522273803912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1450914 + ... + 1451749.

It is an arithmetic number, because the mean of its divisors is an integer number (130619880).

Almost surely, 2^1213313134 is an apocalyptic number.

1213313134 is a deficient number, since it is larger than the sum of its proper divisors (876604946).

1213313134 is a wasteful number, since it uses less digits than its factorization.

1213313134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902695.

The product of its digits is 648, while the sum is 22.

The square root of 1213313134 is about 34832.6446598589. The cubic root of 1213313134 is about 1066.5739352762.

Adding to 1213313134 its reverse (4313133121), we get a palindrome (5526446255).

The spelling of 1213313134 in words is "one billion, two hundred thirteen million, three hundred thirteen thousand, one hundred thirty-four".