1131343454 has 8 divisors (see below), whose sum is σ = 1724835288. Its totient is φ = 556398360.

The previous prime is 1131343453. The next prime is 1131343471. The reversal of 1131343454 is 4543431311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131343453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636532 + ... + 4636775.

It is an arithmetic number, because the mean of its divisors is an integer number (215604411).

Almost surely, 2^1131343454 is an apocalyptic number.

1131343454 is a deficient number, since it is larger than the sum of its proper divisors (593491834).

1131343454 is an equidigital number, since it uses as much as digits as its factorization.

1131343454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273370.

The product of its digits is 8640, while the sum is 29.

The square root of 1131343454 is about 33635.4493652159. The cubic root of 1131343454 is about 1041.9930512368.

Adding to 1131343454 its reverse (4543431311), we get a palindrome (5674774765).

The spelling of 1131343454 in words is "one billion, one hundred thirty-one million, three hundred forty-three thousand, four hundred fifty-four".