1131031312104 has 32 divisors (see below), whose sum is σ = 2853519372000. Its totient is φ = 373551625152.

The previous prime is 1131031312069. The next prime is 1131031312111. The reversal of 1131031312104 is 4012131301311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216173094 + ... + 216178325.

It is an arithmetic number, because the mean of its divisors is an integer number (89172480375).

Almost surely, 2^{1131031312104} is an apocalyptic number.

It is an amenable number.

1131031312104 is an abundant number, since it is smaller than the sum of its proper divisors (1722488059896).

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

1131031312104 is a wasteful number, since it uses less digits than its factorization.

1131031312104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432351537 (or 432351533 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131031312104 its reverse (4012131301311), we get a palindrome (5143162613415).

The spelling of 1131031312104 in words is "one trillion, one hundred thirty-one billion, thirty-one million, three hundred twelve thousand, one hundred four".