1231442113104 has 120 divisors (see below), whose sum is σ = 4111788078720. Its totient is φ = 351840597696.

The previous prime is 1231442113091. The next prime is 1231442113117. The reversal of 1231442113104 is 4013112441321.

It is a happy number.

1231442113104 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 442 + 113 + 104 = 666.

It is an interprime number because it is at equal distance from previous prime (1231442113091) and next prime (1231442113117).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29066184 + ... + 29108519.

It is an arithmetic number, because the mean of its divisors is an integer number (34264900656).

Almost surely, 2^{1231442113104} is an apocalyptic number.

1231442113104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231442113104 is an abundant number, since it is smaller than the sum of its proper divisors (2880345965616).

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

1231442113104 is a wasteful number, since it uses less digits than its factorization.

1231442113104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58174734 (or 58174715 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1231442113104 its reverse (4013112441321), we get a palindrome (5244554554425).

The spelling of 1231442113104 in words is "one trillion, two hundred thirty-one billion, four hundred forty-two million, one hundred thirteen thousand, one hundred four".