321111105354 has 56 divisors (see below), whose sum is σ = 777721181412. Its totient is φ = 98803411200.

The previous prime is 321111105347. The next prime is 321111105379. The reversal of 321111105354 is 453501111123.

321111105354 is a `hidden beast` number, since 3 + 2 + 1 + 11 + 110 + 535 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 314334029025 + 6777076329 = 560655^2 + 82323^2 .

It is a super-2 number, since 2×321111105354² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8451847 + ... + 8489754.

Almost surely, 2^321111105354 is an apocalyptic number.

321111105354 is an abundant number, since it is smaller than the sum of its proper divisors (456610076058).

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

321111105354 is a wasteful number, since it uses less digits than its factorization.

321111105354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16941634 (or 16941619 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 321111105354 its reverse (453501111123), we get a palindrome (774612216477).

The spelling of 321111105354 in words is "three hundred twenty-one billion, one hundred eleven million, one hundred five thousand, three hundred fifty-four".