321142644234 has 24 divisors (see below), whose sum is σ = 695880582852. Its totient is φ = 107036544960.

The previous prime is 321142644211. The next prime is 321142644253. The reversal of 321142644234 is 432446241123.

321142644234 is a `hidden beast` number, since 3 + 2 + 1 + 1 + 4 + 2 + 644 + 2 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 292731856209 + 28410788025 = 541047^2 + 168555^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735979 + ... + 1088094.

Almost surely, 2^321142644234 is an apocalyptic number.

321142644234 is an abundant number, since it is smaller than the sum of its proper divisors (374737938618).

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

321142644234 is a wasteful number, since it uses less digits than its factorization.

321142644234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833862 (or 1833859 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 321142644234 its reverse (432446241123), we get a palindrome (753588885357).

The spelling of 321142644234 in words is "three hundred twenty-one billion, one hundred forty-two million, six hundred forty-four thousand, two hundred thirty-four".