1311000413 has 4 divisors (see below), whose sum is σ = 1311131100. Its totient is φ = 1310869728.

The previous prime is 1311000371. The next prime is 1311000451. The reversal of 1311000413 is 3140001131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280462009 + 1030538404 = 16747^2 + 32102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311000413 - 2²⁴ = 1294223197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311000463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48920 + ... + 70817.

It is an arithmetic number, because the mean of its divisors is an integer number (327782775).

Almost surely, 2^1311000413 is an apocalyptic number.

It is an amenable number.

1311000413 is a deficient number, since it is larger than the sum of its proper divisors (130687).

1311000413 is a wasteful number, since it uses less digits than its factorization.

1311000413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130686.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1311000413 is about 36207.7396836643. The cubic root of 1311000413 is about 1094.4626438442.

Adding to 1311000413 its reverse (3140001131), we get a palindrome (4451001544).

The spelling of 1311000413 in words is "one billion, three hundred eleven million, four hundred thirteen", and thus it is an aban number.