1144431101 has 8 divisors (see below), whose sum is σ = 1260832608. Its totient is φ = 1030090000.

The previous prime is 1144431091. The next prime is 1144431121. The reversal of 1144431101 is 1011344411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144431101 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 (1144431121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513935 + ... + 516156.

It is an arithmetic number, because the mean of its divisors is an integer number (157604076).

Almost surely, 2^1144431101 is an apocalyptic number.

1144431101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144431101 is a deficient number, since it is larger than the sum of its proper divisors (116401507).

1144431101 is a wasteful number, since it uses less digits than its factorization.

1144431101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030203.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1144431101 is about 33829.4413344353. The cubic root of 1144431101 is about 1045.9956631475.

Adding to 1144431101 its reverse (1011344411), we get a palindrome (2155775512).

The spelling of 1144431101 in words is "one billion, one hundred forty-four million, four hundred thirty-one thousand, one hundred one".