1311131000224 has 12 divisors (see below), whose sum is σ = 2581289156754. Its totient is φ = 655565500096.

The previous prime is 1311131000147. The next prime is 1311131000243. The reversal of 1311131000224 is 4220001311131.

It can be written as a sum of positive squares in only one way, i.e., 756433751824 + 554697248400 = 869732^2 + 744780^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20486421847 + ... + 20486421910.

Almost surely, 2^{1311131000224} is an apocalyptic number.

It is an amenable number.

1311131000224 is a deficient number, since it is larger than the sum of its proper divisors (1270158156530).

1311131000224 is an equidigital number, since it uses as much as digits as its factorization.

1311131000224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40972843767 (or 40972843759 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1311131000224 its reverse (4220001311131), we get a palindrome (5531132311355).

The spelling of 1311131000224 in words is "one trillion, three hundred eleven billion, one hundred thirty-one million, two hundred twenty-four", and thus it is an aban number.