1131363442 has 8 divisors (see below), whose sum is σ = 1851322032. Its totient is φ = 514256100.

The previous prime is 1131363437. The next prime is 1131363449. The reversal of 1131363442 is 2443631311.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1131363442.

It is not an unprimeable number, because it can be changed into a prime (1131363449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25712784 + ... + 25712827.

It is an arithmetic number, because the mean of its divisors is an integer number (231415254).

Almost surely, 2^1131363442 is an apocalyptic number.

1131363442 is a deficient number, since it is larger than the sum of its proper divisors (719958590).

1131363442 is a wasteful number, since it uses less digits than its factorization.

1131363442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51425624.

The product of its digits is 5184, while the sum is 28.

The square root of 1131363442 is about 33635.7464908986. The cubic root of 1131363442 is about 1041.9991876681. Note that the first 3 decimals are identical.

Adding to 1131363442 its reverse (2443631311), we get a palindrome (3574994753).

The spelling of 1131363442 in words is "one billion, one hundred thirty-one million, three hundred sixty-three thousand, four hundred forty-two".