1231103040104 has 32 divisors (see below), whose sum is σ = 2644170553920. Its totient is φ = 526397066496.

The previous prime is 1231103040077. The next prime is 1231103040109. The reversal of 1231103040104 is 4010403011321.

It is a super-2 number, since 2×1231103040104² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231103040109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25361414 + ... + 25409909.

It is an arithmetic number, because the mean of its divisors is an integer number (82630329810).

Almost surely, 2^{1231103040104} is an apocalyptic number.

1231103040104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231103040104 is an abundant number, since it is smaller than the sum of its proper divisors (1413067513816).

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

1231103040104 is a wasteful number, since it uses less digits than its factorization.

1231103040104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50771769 (or 50771765 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1231103040104 its reverse (4010403011321), we get a palindrome (5241506051425).

The spelling of 1231103040104 in words is "one trillion, two hundred thirty-one billion, one hundred three million, forty thousand, one hundred four".