1231103465244 has 72 divisors (see below), whose sum is σ = 3116590032192. Its totient is φ = 409757063040.

The previous prime is 1231103465239. The next prime is 1231103465261. The reversal of 1231103465244 is 4425643011321.

1231103465244 is a `hidden beast` number, since 1 + 23 + 1 + 103 + 4 + 6 + 524 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1231103465199 and 1231103465208.

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, 183661197 + ... + 183667899.

Almost surely, 2^{1231103465244} is an apocalyptic number.

It is an amenable number.

1231103465244 is an abundant number, since it is smaller than the sum of its proper divisors (1885486566948).

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

1231103465244 is a wasteful number, since it uses less digits than its factorization.

1231103465244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13547 (or 13542 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 1231103465244 its reverse (4425643011321), we get a palindrome (5656746476565).

The spelling of 1231103465244 in words is "one trillion, two hundred thirty-one billion, one hundred three million, four hundred sixty-five thousand, two hundred forty-four".