1231133202104 has 16 divisors (see below), whose sum is σ = 2485942042920. Its totient is φ = 568215324000.

The previous prime is 1231133202097. The next prime is 1231133202119. The reversal of 1231133202104 is 4012023311321.

It is a super-2 number, since 2×1231133202104² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1231133202104.

It is a congruent number.

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, 5918909522 + ... + 5918909729.

Almost surely, 2^{1231133202104} is an apocalyptic number.

It is an amenable number.

1231133202104 is an abundant number, since it is smaller than the sum of its proper divisors (1254808840816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231133202104 is a wasteful number, since it uses less digits than its factorization.

1231133202104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837819270 (or 11837819266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1231133202104 its reverse (4012023311321), we get a palindrome (5243156513425).

The spelling of 1231133202104 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-three million, two hundred two thousand, one hundred four".