1131424321204 has 6 divisors (see below), whose sum is σ = 1979992562114. Its totient is φ = 565712160600.

The previous prime is 1131424321199. The next prime is 1131424321241. The reversal of 1131424321204 is 4021234241311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 804985784100 + 326438537104 = 897210^2 + 571348^2 .

It is a super-2 number, since 2×1131424321204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 141428040147 + ... + 141428040154.

Almost surely, 2^{1131424321204} is an apocalyptic number.

It is an amenable number.

1131424321204 is a deficient number, since it is larger than the sum of its proper divisors (848568240910).

1131424321204 is a wasteful number, since it uses less digits than its factorization.

1131424321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282856080305 (or 282856080303 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1131424321204 its reverse (4021234241311), we get a palindrome (5152658562515).

The spelling of 1131424321204 in words is "one trillion, one hundred thirty-one billion, four hundred twenty-four million, three hundred twenty-one thousand, two hundred four".