1143331413 has 64 divisors (see below), whose sum is σ = 1915550208. Its totient is φ = 591667200.

The previous prime is 1143331393. The next prime is 1143331439. The reversal of 1143331413 is 3141333411.

It is not a de Polignac number, because 1143331413 - 2⁹ = 1143330901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143331613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1333681 + ... + 1334537.

It is an arithmetic number, because the mean of its divisors is an integer number (29930472).

Almost surely, 2^1143331413 is an apocalyptic number.

It is an amenable number.

1143331413 is a deficient number, since it is larger than the sum of its proper divisors (772218795).

1143331413 is a wasteful number, since it uses less digits than its factorization.

1143331413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its digits is 1296, while the sum is 24.

The square root of 1143331413 is about 33813.1840115657. The cubic root of 1143331413 is about 1045.6605221017.

Adding to 1143331413 its reverse (3141333411), we get a palindrome (4284664824).

The spelling of 1143331413 in words is "one billion, one hundred forty-three million, three hundred thirty-one thousand, four hundred thirteen".