321420310431422 has 8 divisors (see below), whose sum is σ = 503092659805776. Its totient is φ = 153722757162832.

The previous prime is 321420310431391. The next prime is 321420310431431. The reversal of 321420310431422 is 224134013024123.

It is a happy number.

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

It is a super-2 number, since 2×321420310431422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493699026383 + ... + 3493699026474.

It is an arithmetic number, because the mean of its divisors is an integer number (62886582475722).

Almost surely, 2^{321420310431422} is an apocalyptic number.

321420310431422 is a deficient number, since it is larger than the sum of its proper divisors (181672349374354).

321420310431422 is a wasteful number, since it uses less digits than its factorization.

321420310431422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987398052882.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 321420310431422 its reverse (224134013024123), we get a palindrome (545554323455545).

The spelling of 321420310431422 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred ten million, four hundred thirty-one thousand, four hundred twenty-two".