1331214001 has 4 divisors (see below), whose sum is σ = 1433615092. Its totient is φ = 1228812912.

The previous prime is 1331213993. The next prime is 1331214011. The reversal of 1331214001 is 1004121331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 592679025 + 738534976 = 24345^2 + 27176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331214001 - 2³ = 1331213993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331214011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51200526 + ... + 51200551.

It is an arithmetic number, because the mean of its divisors is an integer number (358403773).

Almost surely, 2^1331214001 is an apocalyptic number.

It is an amenable number.

1331214001 is a deficient number, since it is larger than the sum of its proper divisors (102401091).

1331214001 is a wasteful number, since it uses less digits than its factorization.

1331214001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102401090.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1331214001 is about 36485.8054728137. The cubic root of 1331214001 is about 1100.0589502843.

Adding to 1331214001 its reverse (1004121331), we get a palindrome (2335335332).

The spelling of 1331214001 in words is "one billion, three hundred thirty-one million, two hundred fourteen thousand, one".