321430040133422 has 32 divisors (see below), whose sum is σ = 554593058046720. Its totient is φ = 138181435125120.

The previous prime is 321430040133413. The next prime is 321430040133431. The reversal of 321430040133422 is 224331040034123.

It is an interprime number because it is at equal distance from previous prime (321430040133413) and next prime (321430040133431).

It is a super-2 number, since 2×321430040133422² (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 15 ways as a sum of consecutive naturals, for example, 648125978 + ... + 648621725.

It is an arithmetic number, because the mean of its divisors is an integer number (17331033063960).

Almost surely, 2^{321430040133422} is an apocalyptic number.

321430040133422 is a deficient number, since it is larger than the sum of its proper divisors (233163017913298).

321430040133422 is a wasteful number, since it uses less digits than its factorization.

321430040133422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296748328.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321430040133422 its reverse (224331040034123), we get a palindrome (545761080167545).

The spelling of 321430040133422 in words is "three hundred twenty-one trillion, four hundred thirty billion, forty million, one hundred thirty-three thousand, four hundred twenty-two".