1131241423204 has 12 divisors (see below), whose sum is σ = 2012126138428. Its totient is φ = 556348240800.

The previous prime is 1131241423189. The next prime is 1131241423223. The reversal of 1131241423204 is 4023241421311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 153421056100 + 977820367104 = 391690^2 + 988848^2 .

It is a super-2 number, since 2×1131241423204² (a number of 25 digits) contains 22 as substring.

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, 2318117427 + ... + 2318117914.

Almost surely, 2^{1131241423204} is an apocalyptic number.

It is an amenable number.

1131241423204 is a deficient number, since it is larger than the sum of its proper divisors (880884715224).

1131241423204 is a wasteful number, since it uses less digits than its factorization.

1131241423204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636235406 (or 4636235404 counting only the distinct ones).

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

Adding to 1131241423204 its reverse (4023241421311), we get a palindrome (5154482844515).

The spelling of 1131241423204 in words is "one trillion, one hundred thirty-one billion, two hundred forty-one million, four hundred twenty-three thousand, two hundred four".