1331467201 has 2 divisors, whose sum is σ = 1331467202. Its totient is φ = 1331467200.

The previous prime is 1331467187. The next prime is 1331467213. The reversal of 1331467201 is 1027641331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030410000 + 301057201 = 32100^2 + 17351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331467201 - 2⁷ = 1331467073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331467201.

It is not a weakly prime, because it can be changed into another prime (1331467271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665733600 + 665733601.

It is an arithmetic number, because the mean of its divisors is an integer number (665733601).

Almost surely, 2^1331467201 is an apocalyptic number.

It is an amenable number.

1331467201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331467201 is an equidigital number, since it uses as much as digits as its factorization.

1331467201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1331467201 is about 36489.2751503781. The cubic root of 1331467201 is about 1100.1286904534.

It can be divided in two parts, 133146720 and 1, that added together give a triangular number (133146721 = T₁₆₃₁₈).

The spelling of 1331467201 in words is "one billion, three hundred thirty-one million, four hundred sixty-seven thousand, two hundred one".