531020113320404 has 12 divisors (see below), whose sum is σ = 929316928812384. Its totient is φ = 265500990802584.

The previous prime is 531020113320349. The next prime is 531020113320457. The reversal of 531020113320404 is 404023311020135.

It is a congruent number.

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, 2266332614 + ... + 2266566909.

It is an arithmetic number, because the mean of its divisors is an integer number (77443077401032).

Almost surely, 2^{531020113320404} is an apocalyptic number.

It is an amenable number.

531020113320404 is a deficient number, since it is larger than the sum of its proper divisors (398296815491980).

531020113320404 is a wasteful number, since it uses less digits than its factorization.

531020113320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532928814 (or 4532928812 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 531020113320404 its reverse (404023311020135), we get a palindrome (935043424340539).

The spelling of 531020113320404 in words is "five hundred thirty-one trillion, twenty billion, one hundred thirteen million, three hundred twenty thousand, four hundred four".