321214045045 has 8 divisors (see below), whose sum is σ = 386134286040. Its totient is φ = 256519614720.

The previous prime is 321214045039. The next prime is 321214045069. The reversal of 321214045045 is 540540412123.

It can be written as a sum of positive squares in 4 ways, for example, as 38591030916 + 282623014129 = 196446^2 + 531623^2 .

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

It is not a de Polignac number, because 321214045045 - 2⁹ = 321214044533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321214044998 and 321214045016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56449536 + ... + 56455225.

It is an arithmetic number, because the mean of its divisors is an integer number (48266785755).

Almost surely, 2^321214045045 is an apocalyptic number.

It is an amenable number.

321214045045 is a deficient number, since it is larger than the sum of its proper divisors (64920240995).

321214045045 is a wasteful number, since it uses less digits than its factorization.

321214045045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112905335.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 321214045045 its reverse (540540412123), we get a palindrome (861754457168).

The spelling of 321214045045 in words is "three hundred twenty-one billion, two hundred fourteen million, forty-five thousand, forty-five".