321153013451 has 16 divisors (see below), whose sum is σ = 324693228288. Its totient is φ = 317631132000.

The previous prime is 321153013369. The next prime is 321153013459. The reversal of 321153013451 is 154310351123.

It is a cyclic number.

It is not a de Polignac number, because 321153013451 - 2¹⁸ = 321152751307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321153013459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56329901 + ... + 56335601.

It is an arithmetic number, because the mean of its divisors is an integer number (20293326768).

Almost surely, 2^321153013451 is an apocalyptic number.

321153013451 is a deficient number, since it is larger than the sum of its proper divisors (3540214837).

321153013451 is a wasteful number, since it uses less digits than its factorization.

321153013451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 321153013451 its reverse (154310351123), we get a palindrome (475463364574).

The spelling of 321153013451 in words is "three hundred twenty-one billion, one hundred fifty-three million, thirteen thousand, four hundred fifty-one".