1351213213 has 16 divisors (see below), whose sum is σ = 1603316736. Its totient is φ = 1114312320.

The previous prime is 1351213189. The next prime is 1351213229. The reversal of 1351213213 is 3123121531.

It is a cyclic number.

It is not a de Polignac number, because 1351213213 - 2⁹ = 1351212701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351213273) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19545 + ... + 55537.

It is an arithmetic number, because the mean of its divisors is an integer number (100207296).

Almost surely, 2^1351213213 is an apocalyptic number.

It is an amenable number.

1351213213 is a deficient number, since it is larger than the sum of its proper divisors (252103523).

1351213213 is a wasteful number, since it uses less digits than its factorization.

1351213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36204.

The product of its digits is 540, while the sum is 22.

The square root of 1351213213 is about 36758.8521719599. The cubic root of 1351213213 is about 1105.5404256434.

Adding to 1351213213 its reverse (3123121531), we get a palindrome (4474334744).

The spelling of 1351213213 in words is "one billion, three hundred fifty-one million, two hundred thirteen thousand, two hundred thirteen".