1130043213 has 12 divisors (see below), whose sum is σ = 1757845180. Its totient is φ = 695411136.

The previous prime is 1130043169. The next prime is 1130043223. The reversal of 1130043213 is 3123400311.

It can be written as a sum of positive squares in 2 ways, for example, as 286895844 + 843147369 = 16938^2 + 29037^2 .

It is not a de Polignac number, because 1130043213 - 2⁶ = 1130043149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130043223) 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, 4829128 + ... + 4829361.

Almost surely, 2^1130043213 is an apocalyptic number.

1130043213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1130043213 is a deficient number, since it is larger than the sum of its proper divisors (627801967).

1130043213 is a wasteful number, since it uses less digits than its factorization.

1130043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658508 (or 9658505 counting only the distinct ones).

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

The square root of 1130043213 is about 33616.1153764084. The cubic root of 1130043213 is about 1041.5937143690.

Adding to 1130043213 its reverse (3123400311), we get a palindrome (4253443524).

It can be divided in two parts, 1130043 and 213, that added together give a triangular number (1130256 = T₁₅₀₃).

The spelling of 1130043213 in words is "one billion, one hundred thirty million, forty-three thousand, two hundred thirteen".