321103131234 has 16 divisors (see below), whose sum is σ = 642223283520. Its totient is φ = 107031540240.

The previous prime is 321103131233. The next prime is 321103131277. The reversal of 321103131234 is 432131301123.

It is not an unprimeable number, because it can be changed into a prime (321103131233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457069 + ... + 922560.

It is an arithmetic number, because the mean of its divisors is an integer number (40138955220).

Almost surely, 2^321103131234 is an apocalyptic number.

321103131234 is an abundant number, since it is smaller than the sum of its proper divisors (321120152286).

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

321103131234 is a wasteful number, since it uses less digits than its factorization.

321103131234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418425.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 321103131234 its reverse (432131301123), we get a palindrome (753234432357).

The spelling of 321103131234 in words is "three hundred twenty-one billion, one hundred three million, one hundred thirty-one thousand, two hundred thirty-four".