320311401234 has 32 divisors (see below), whose sum is σ = 700202698560. Its totient is φ = 96877747200.

The previous prime is 320311401211. The next prime is 320311401239. The reversal of 320311401234 is 432104113023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320311401239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4623199 + ... + 4691970.

It is an arithmetic number, because the mean of its divisors is an integer number (21881334330).

Almost surely, 2^320311401234 is an apocalyptic number.

320311401234 is an abundant number, since it is smaller than the sum of its proper divisors (379891297326).

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

320311401234 is a wasteful number, since it uses less digits than its factorization.

320311401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315706.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 320311401234 its reverse (432104113023), we get a palindrome (752415514257).

The spelling of 320311401234 in words is "three hundred twenty billion, three hundred eleven million, four hundred one thousand, two hundred thirty-four".