1231033131044 has 6 divisors (see below), whose sum is σ = 2154307979334. Its totient is φ = 615516565520.

The previous prime is 1231033131043. The next prime is 1231033131073. The reversal of 1231033131044 is 4401313301321.

It can be written as a sum of positive squares in only one way, i.e., 1083951676900 + 147081454144 = 1041130^2 + 383512^2 .

It is not an unprimeable number, because it can be changed into a prime (1231033131043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153879141377 + ... + 153879141384.

It is an arithmetic number, because the mean of its divisors is an integer number (359051329889).

Almost surely, 2^{1231033131044} is an apocalyptic number.

It is an amenable number.

1231033131044 is a deficient number, since it is larger than the sum of its proper divisors (923274848290).

1231033131044 is a wasteful number, since it uses less digits than its factorization.

1231033131044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307758282765 (or 307758282763 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1231033131044 its reverse (4401313301321), we get a palindrome (5632346432365).

The spelling of 1231033131044 in words is "one trillion, two hundred thirty-one billion, thirty-three million, one hundred thirty-one thousand, forty-four".