1231344001 has 8 divisors (see below), whose sum is σ = 1326295520. Its totient is φ = 1139406912.

The previous prime is 1231343933. The next prime is 1231344011. The reversal of 1231344001 is 1004431321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231344001 - 2⁹ = 1231343489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231344001.

It is not an unprimeable number, because it can be changed into a prime (1231344011) 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, 752760 + ... + 754393.

It is an arithmetic number, because the mean of its divisors is an integer number (165786940).

Almost surely, 2^1231344001 is an apocalyptic number.

It is an amenable number.

1231344001 is a deficient number, since it is larger than the sum of its proper divisors (94951519).

1231344001 is a wasteful number, since it uses less digits than its factorization.

1231344001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507215.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1231344001 is about 35090.5115522701. The cubic root of 1231344001 is about 1071.8313764553.

Adding to 1231344001 its reverse (1004431321), we get a palindrome (2235775322).

The spelling of 1231344001 in words is "one billion, two hundred thirty-one million, three hundred forty-four thousand, one".