321054135153 has 4 divisors (see below), whose sum is σ = 428072180208. Its totient is φ = 214036090100.

The previous prime is 321054135151. The next prime is 321054135203. The reversal of 321054135153 is 351531450123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321054135153 - 2¹ = 321054135151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321054135151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53509022523 + ... + 53509022528.

It is an arithmetic number, because the mean of its divisors is an integer number (107018045052).

Almost surely, 2^321054135153 is an apocalyptic number.

It is an amenable number.

321054135153 is a deficient number, since it is larger than the sum of its proper divisors (107018045055).

321054135153 is a wasteful number, since it uses less digits than its factorization.

321054135153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107018045054.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 321054135153 its reverse (351531450123), we get a palindrome (672585585276).

The spelling of 321054135153 in words is "three hundred twenty-one billion, fifty-four million, one hundred thirty-five thousand, one hundred fifty-three".