321381853354 has 8 divisors (see below), whose sum is σ = 488174967360. Its totient is φ = 158656864236.

The previous prime is 321381853313. The next prime is 321381853379. The reversal of 321381853354 is 453358183123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×321381853354² (a number of 24 digits) contains 22 as substring.

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, 1017031024 + ... + 1017031339.

It is an arithmetic number, because the mean of its divisors is an integer number (61021870920).

Almost surely, 2^321381853354 is an apocalyptic number.

321381853354 is a deficient number, since it is larger than the sum of its proper divisors (166793114006).

321381853354 is a wasteful number, since it uses less digits than its factorization.

321381853354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034062444.

The product of its digits is 1036800, while the sum is 46.

The spelling of 321381853354 in words is "three hundred twenty-one billion, three hundred eighty-one million, eight hundred fifty-three thousand, three hundred fifty-four".