1133131201 has 4 divisors (see below), whose sum is σ = 1133516592. Its totient is φ = 1132745812.

The previous prime is 1133131199. The next prime is 1133131213. The reversal of 1133131201 is 1021313311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1133131201 - 2¹ = 1133131199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133131261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188251 + ... + 194176.

It is an arithmetic number, because the mean of its divisors is an integer number (283379148).

Almost surely, 2^1133131201 is an apocalyptic number.

It is an amenable number.

1133131201 is a deficient number, since it is larger than the sum of its proper divisors (385391).

1133131201 is an equidigital number, since it uses as much as digits as its factorization.

1133131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385390.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1133131201 is about 33662.0142148387. The cubic root of 1133131201 is about 1042.5416142739.

Adding to 1133131201 its reverse (1021313311), we get a palindrome (2154444512).

The spelling of 1133131201 in words is "one billion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred one".