1331011001 has 8 divisors (see below), whose sum is σ = 1360660224. Its totient is φ = 1301417280.

The previous prime is 1331010983. The next prime is 1331011007. The reversal of 1331011001 is 1001101331.

It is a happy number.

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-1331011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331011007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36641 + ... + 63281.

It is an arithmetic number, because the mean of its divisors is an integer number (170082528).

Almost surely, 2^1331011001 is an apocalyptic number.

It is an amenable number.

1331011001 is a deficient number, since it is larger than the sum of its proper divisors (29649223).

1331011001 is a wasteful number, since it uses less digits than its factorization.

1331011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27751.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1331011001 is about 36483.0234629752. The cubic root of 1331011001 is about 1100.0030305702.

Adding to 1331011001 its reverse (1001101331), we get a palindrome (2332112332).

The spelling of 1331011001 in words is "one billion, three hundred thirty-one million, eleven thousand, one".