1131233351 has 2 divisors, whose sum is σ = 1131233352. Its totient is φ = 1131233350.

The previous prime is 1131233269. The next prime is 1131233359. The reversal of 1131233351 is 1533321311.

It is a strong prime.

It is an emirp because it is prime and its reverse (1533321311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131233351 - 2¹⁸ = 1130971207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131233359) 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 as a sum of consecutive naturals, namely, 565616675 + 565616676.

It is an arithmetic number, because the mean of its divisors is an integer number (565616676).

Almost surely, 2^1131233351 is an apocalyptic number.

1131233351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131233351 is an equidigital number, since it uses as much as digits as its factorization.

1131233351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 23.

The square root of 1131233351 is about 33633.8126146888. The cubic root of 1131233351 is about 1041.9592476844.

Adding to 1131233351 its reverse (1533321311), we get a palindrome (2664554662).

The spelling of 1131233351 in words is "one billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred fifty-one".