321054253000 has 128 divisors (see below), whose sum is σ = 809396864640. Its totient is φ = 118493280000.

The previous prime is 321054252983. The next prime is 321054253007. The reversal of 321054253000 is 352450123.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (321054253007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47979655 + ... + 47986345.

It is an arithmetic number, because the mean of its divisors is an integer number (6323413005).

Almost surely, 2^321054253000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321054253000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404698432320).

321054253000 is an abundant number, since it is smaller than the sum of its proper divisors (488342611640).

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

321054253000 is a wasteful number, since it uses less digits than its factorization.

321054253000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 321054253000 in words is "three hundred twenty-one billion, fifty-four million, two hundred fifty-three thousand".