321054134430 has 32 divisors (see below), whose sum is σ = 804031225344. Its totient is φ = 81892068896.

The previous prime is 321054134377. The next prime is 321054134431. The reversal of 321054134430 is 34431450123.

It is a super-2 number, since 2×321054134430² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321054134431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232647234 + ... + 232648613.

It is an arithmetic number, because the mean of its divisors is an integer number (25125975792).

Almost surely, 2^321054134430 is an apocalyptic number.

321054134430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321054134430 is an abundant number, since it is smaller than the sum of its proper divisors (482977090914).

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

321054134430 is a wasteful number, since it uses less digits than its factorization.

321054134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465295880.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 321054134430 its reverse (34431450123), we get a palindrome (355485584553).

The spelling of 321054134430 in words is "three hundred twenty-one billion, fifty-four million, one hundred thirty-four thousand, four hundred thirty".