531233343122120 has 16 divisors (see below), whose sum is σ = 1195275022024860. Its totient is φ = 212493337248832.

The previous prime is 531233343122107. The next prime is 531233343122173. The reversal of 531233343122120 is 21221343332135.

It can be written as a sum of positive squares in 2 ways, for example, as 474170396906116 + 57062946216004 = 21775454^2 + 7554002^2 .

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, 6640416788987 + ... + 6640416789066.

Almost surely, 2^{531233343122120} is an apocalyptic number.

It is an amenable number.

531233343122120 is an abundant number, since it is smaller than the sum of its proper divisors (664041678902740).

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

531233343122120 is a wasteful number, since it uses less digits than its factorization.

531233343122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13280833578064 (or 13280833578060 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 531233343122120 its reverse (21221343332135), we get a palindrome (552454686454255).

The spelling of 531233343122120 in words is "five hundred thirty-one trillion, two hundred thirty-three billion, three hundred forty-three million, one hundred twenty-two thousand, one hundred twenty".