1231333414544 has 20 divisors (see below), whose sum is σ = 2389201496496. Its totient is φ = 614765286432.

The previous prime is 1231333414511. The next prime is 1231333414613. The reversal of 1231333414544 is 4454143331321.

It is a junction number, because it is equal to n+sod(n) for n = 1231333414498 and 1231333414507.

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, 56327534 + ... + 56349389.

Almost surely, 2^{1231333414544} is an apocalyptic number.

It is an amenable number.

1231333414544 is a deficient number, since it is larger than the sum of its proper divisors (1157868081952).

1231333414544 is a wasteful number, since it uses less digits than its factorization.

1231333414544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112677614 (or 112677608 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

Adding to 1231333414544 its reverse (4454143331321), we get a palindrome (5685476745865).

The spelling of 1231333414544 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-three million, four hundred fourteen thousand, five hundred forty-four".