1132221331 has 2 divisors, whose sum is σ = 1132221332. Its totient is φ = 1132221330.

The previous prime is 1132221329. The next prime is 1132221353. The reversal of 1132221331 is 1331222311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1132221331 - 2¹ = 1132221329 is a prime.

It is a super-2 number, since 2×1132221331² = 2563850284742823122, which contains 22 as substring.

Together with 1132221329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1132221299 and 1132221308.

It is not a weakly prime, because it can be changed into another prime (1132201331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566110665 + 566110666.

It is an arithmetic number, because the mean of its divisors is an integer number (566110666).

Almost surely, 2^1132221331 is an apocalyptic number.

1132221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132221331 is an equidigital number, since it uses as much as digits as its factorization.

1132221331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1132221331 is about 33648.4967123347. The cubic root of 1132221331 is about 1042.2624964501.

Adding to 1132221331 its reverse (1331222311), we get a palindrome (2463443642).

The spelling of 1132221331 in words is "one billion, one hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty-one".