321023442331434 has 32 divisors (see below), whose sum is σ = 645674986532160. Its totient is φ = 106404373395072.

The previous prime is 321023442331391. The next prime is 321023442331441. The reversal of 321023442331434 is 434133244320123.

It is a junction number, because it is equal to n+sod(n) for n = 321023442331392 and 321023442331401.

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, 154332577 + ... + 156398820.

It is an arithmetic number, because the mean of its divisors is an integer number (20177343329130).

Almost surely, 2^{321023442331434} is an apocalyptic number.

321023442331434 is an abundant number, since it is smaller than the sum of its proper divisors (324651544200726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321023442331434 is a wasteful number, since it uses less digits than its factorization.

321023442331434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310732374.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 321023442331434 its reverse (434133244320123), we get a palindrome (755156686651557).

The spelling of 321023442331434 in words is "three hundred twenty-one trillion, twenty-three billion, four hundred forty-two million, three hundred thirty-one thousand, four hundred thirty-four".