321451211097 has 8 divisors (see below), whose sum is σ = 476224016480. Its totient is φ = 214300807380.

The previous prime is 321451211087. The next prime is 321451211119. The reversal of 321451211097 is 790112154123.

It is a happy number.

321451211097 is a `hidden beast` number, since 3 + 2 + 1 + 451 + 2 + 110 + 97 = 666.

It is not a de Polignac number, because 321451211097 - 2⁶ = 321451211033 is a prime.

It is a super-2 number, since 2×321451211097² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321451211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5952800179 + ... + 5952800232.

It is an arithmetic number, because the mean of its divisors is an integer number (59528002060).

Almost surely, 2^321451211097 is an apocalyptic number.

It is an amenable number.

321451211097 is a deficient number, since it is larger than the sum of its proper divisors (154772805383).

321451211097 is a wasteful number, since it uses less digits than its factorization.

321451211097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11905600420 (or 11905600414 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 321451211097 in words is "three hundred twenty-one billion, four hundred fifty-one million, two hundred eleven thousand, ninety-seven".