1143310401 has 12 divisors (see below), whose sum is σ = 1748592612. Its totient is φ = 717371136.

The previous prime is 1143310393. The next prime is 1143310423. The reversal of 1143310401 is 1040133411.

It can be written as a sum of positive squares in 2 ways, for example, as 1024064001 + 119246400 = 32001^2 + 10920^2 .

It is not a de Polignac number, because 1143310401 - 2³ = 1143310393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143310481) 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, 3736156 + ... + 3736461.

It is an arithmetic number, because the mean of its divisors is an integer number (145716051).

Almost surely, 2^1143310401 is an apocalyptic number.

It is an amenable number.

1143310401 is a deficient number, since it is larger than the sum of its proper divisors (605282211).

1143310401 is a wasteful number, since it uses less digits than its factorization.

1143310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472640 (or 7472637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1143310401 is about 33812.8733029301. The cubic root of 1143310401 is about 1045.6541163902.

Adding to 1143310401 its reverse (1040133411), we get a palindrome (2183443812).

The spelling of 1143310401 in words is "one billion, one hundred forty-three million, three hundred ten thousand, four hundred one".