321130504534 has 16 divisors (see below), whose sum is σ = 561744324000. Its totient is φ = 137627358792.

The previous prime is 321130504531. The next prime is 321130504547. The reversal of 321130504534 is 435405031123.

It is a super-2 number, since 2×321130504534² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321130504496 and 321130504505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321130504531) 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 in 7 ways as a sum of consecutive naturals, for example, 234059449 + ... + 234060820.

It is an arithmetic number, because the mean of its divisors is an integer number (35109020250).

Almost surely, 2^321130504534 is an apocalyptic number.

321130504534 is a deficient number, since it is larger than the sum of its proper divisors (240613819466).

321130504534 is an equidigital number, since it uses as much as digits as its factorization.

321130504534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468120292 (or 468120278 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 321130504534 its reverse (435405031123), we get a palindrome (756535535657).

The spelling of 321130504534 in words is "three hundred twenty-one billion, one hundred thirty million, five hundred four thousand, five hundred thirty-four".