1331102001 has 24 divisors (see below), whose sum is σ = 1852010784. Its totient is φ = 850326400.

The previous prime is 1331101999. The next prime is 1331102039. The reversal of 1331102001 is 1002011331.

It is not a de Polignac number, because 1331102001 - 2¹ = 1331101999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331102051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343726 + ... + 347576.

It is an arithmetic number, because the mean of its divisors is an integer number (77167116).

Almost surely, 2^1331102001 is an apocalyptic number.

It is an amenable number.

1331102001 is a deficient number, since it is larger than the sum of its proper divisors (520908783).

1331102001 is a wasteful number, since it uses less digits than its factorization.

1331102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1331102001 is about 36484.2705970669. The cubic root of 1331102001 is about 1100.0280987313.

Adding to 1331102001 its reverse (1002011331), we get a palindrome (2333113332).

The spelling of 1331102001 in words is "one billion, three hundred thirty-one million, one hundred two thousand, one".