1340331001 has 4 divisors (see below), whose sum is σ = 1340439552. Its totient is φ = 1340222452.

The previous prime is 1340330987. The next prime is 1340331029. The reversal of 1340331001 is 1001330431.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1001330431 = 53 ⋅18893027.

It is a cyclic number.

It is not a de Polignac number, because 1340331001 - 2⁵ = 1340330969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340331701) 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, 32965 + ... + 61378.

It is an arithmetic number, because the mean of its divisors is an integer number (335109888).

Almost surely, 2^1340331001 is an apocalyptic number.

It is an amenable number.

1340331001 is a deficient number, since it is larger than the sum of its proper divisors (108551).

1340331001 is an equidigital number, since it uses as much as digits as its factorization.

1340331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108550.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1340331001 is about 36610.5312854102. The cubic root of 1340331001 is about 1102.5645400761.

Adding to 1340331001 its reverse (1001330431), we get a palindrome (2341661432).

The spelling of 1340331001 in words is "one billion, three hundred forty million, three hundred thirty-one thousand, one".