1163031304 has 8 divisors (see below), whose sum is σ = 2180683710. Its totient is φ = 581515648.

The previous prime is 1163031299. The next prime is 1163031343. The reversal of 1163031304 is 4031303611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1056900100 + 106131204 = 32510^2 + 10302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72689449 + ... + 72689464.

Almost surely, 2^1163031304 is an apocalyptic number.

It is an amenable number.

1163031304 is a deficient number, since it is larger than the sum of its proper divisors (1017652406).

1163031304 is a wasteful number, since it uses less digits than its factorization.

1163031304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145378919 (or 145378915 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1163031304 is about 34103.2447723087. The cubic root of 1163031304 is about 1051.6320210585.

Adding to 1163031304 its reverse (4031303611), we get a palindrome (5194334915).

The spelling of 1163031304 in words is "one billion, one hundred sixty-three million, thirty-one thousand, three hundred four".