1131230434 has 8 divisors (see below), whose sum is σ = 1755357660. Its totient is φ = 546111216.

The previous prime is 1131230383. The next prime is 1131230453. The reversal of 1131230434 is 4340321311.

It can be written as a sum of positive squares in 2 ways, for example, as 986148409 + 145082025 = 31403^2 + 12045^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9751929 + ... + 9752044.

Almost surely, 2^1131230434 is an apocalyptic number.

1131230434 is a deficient number, since it is larger than the sum of its proper divisors (624127226).

1131230434 is a wasteful number, since it uses less digits than its factorization.

1131230434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19504004.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1131230434 is about 33633.7692505613. The cubic root of 1131230434 is about 1041.9583520845.

Adding to 1131230434 its reverse (4340321311), we get a palindrome (5471551745).

The spelling of 1131230434 in words is "one billion, one hundred thirty-one million, two hundred thirty thousand, four hundred thirty-four".