1303001213 has 8 divisors (see below), whose sum is σ = 1338868440. Its totient is φ = 1267168320.

The previous prime is 1303001177. The next prime is 1303001239. The reversal of 1303001213 is 3121003031.

It can be written as a sum of positive squares in 4 ways, for example, as 652649209 + 650352004 = 25547^2 + 25502^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1303001213 - 2²² = 1298806909 is a prime.

It is a super-2 number, since 2×1303001213² = 3395624322158942738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303001263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81023 + ... + 95763.

It is an arithmetic number, because the mean of its divisors is an integer number (167358555).

Almost surely, 2^1303001213 is an apocalyptic number.

It is an amenable number.

1303001213 is a deficient number, since it is larger than the sum of its proper divisors (35867227).

1303001213 is a wasteful number, since it uses less digits than its factorization.

1303001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17167.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1303001213 is about 36097.1080974640. The cubic root of 1303001213 is about 1092.2321100100.

Adding to 1303001213 its reverse (3121003031), we get a palindrome (4424004244).

The spelling of 1303001213 in words is "one billion, three hundred three million, one thousand, two hundred thirteen".