1311140413 has 4 divisors (see below), whose sum is σ = 1430335008. Its totient is φ = 1191945820.

The previous prime is 1311140407. The next prime is 1311140437. The reversal of 1311140413 is 3140411131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1311140413 - 2²¹ = 1309043261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311140483) 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, 59597281 + ... + 59597302.

It is an arithmetic number, because the mean of its divisors is an integer number (357583752).

Almost surely, 2^1311140413 is an apocalyptic number.

It is an amenable number.

1311140413 is a deficient number, since it is larger than the sum of its proper divisors (119194595).

1311140413 is a wasteful number, since it uses less digits than its factorization.

1311140413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119194594.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1311140413 is about 36209.6729203676. The cubic root of 1311140413 is about 1094.5016011969.

Adding to 1311140413 its reverse (3140411131), we get a palindrome (4451551544).

The spelling of 1311140413 in words is "one billion, three hundred eleven million, one hundred forty thousand, four hundred thirteen".