1303041213 has 12 divisors (see below), whose sum is σ = 1928077788. Its totient is φ = 847506240.

The previous prime is 1303041193. The next prime is 1303041217. The reversal of 1303041213 is 3121403031.

It can be written as a sum of positive squares in 2 ways, for example, as 164788569 + 1138252644 = 12837^2 + 33738^2 .

It is not a de Polignac number, because 1303041213 - 2¹² = 1303037117 is a prime.

It is a super-2 number, since 2×1303041213² = 3395832805553022738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303041217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1765270 + ... + 1766007.

It is an arithmetic number, because the mean of its divisors is an integer number (160673149).

Almost surely, 2^1303041213 is an apocalyptic number.

It is an amenable number.

1303041213 is a deficient number, since it is larger than the sum of its proper divisors (625036575).

1303041213 is a wasteful number, since it uses less digits than its factorization.

1303041213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531324 (or 3531321 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1303041213 is about 36097.6621542171. The cubic root of 1303041213 is about 1092.2432864737.

Adding to 1303041213 its reverse (3121403031), we get a palindrome (4424444244).

The spelling of 1303041213 in words is "one billion, three hundred three million, forty-one thousand, two hundred thirteen".