1311054201 has 32 divisors (see below), whose sum is σ = 2023833600. Its totient is φ = 837879120.

The previous prime is 1311054187. The next prime is 1311054209. The reversal of 1311054201 is 1024501131.

1311054201 is a `hidden beast` number, since 13 + 110 + 542 + 0 + 1 = 666.

It is not a de Polignac number, because 1311054201 - 2¹¹ = 1311052153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1311054209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82240 + ... + 96878.

It is an arithmetic number, because the mean of its divisors is an integer number (63244800).

Almost surely, 2^1311054201 is an apocalyptic number.

It is an amenable number.

1311054201 is a deficient number, since it is larger than the sum of its proper divisors (712779399).

1311054201 is a wasteful number, since it uses less digits than its factorization.

1311054201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786 (or 14780 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1311054201 is about 36208.4824454160. The cubic root of 1311054201 is about 1094.4776115872.

Adding to 1311054201 its reverse (1024501131), we get a palindrome (2335555332).

The spelling of 1311054201 in words is "one billion, three hundred eleven million, fifty-four thousand, two hundred one".