313240442121234 has 40 divisors (see below), whose sum is σ = 702089513803260. Its totient is φ = 104383893245184.

The previous prime is 313240442121203. The next prime is 313240442121239. The reversal of 313240442121234 is 432121244042313.

313240442121234 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 404 + 4 + 2 + 1 + 212 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 307065937750209 + 6174504371025 = 17523297^2 + 2484855^2 .

It is a super-2 number, since 2×313240442121234² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313240442121239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 273384519 + ... + 274527914.

Almost surely, 2^{313240442121234} is an apocalyptic number.

313240442121234 is an abundant number, since it is smaller than the sum of its proper divisors (388849071682026).

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

313240442121234 is a wasteful number, since it uses less digits than its factorization.

313240442121234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547915976 (or 547915967 counting only the distinct ones).

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

Adding to 313240442121234 its reverse (432121244042313), we get a palindrome (745361686163547).

The spelling of 313240442121234 in words is "three hundred thirteen trillion, two hundred forty billion, four hundred forty-two million, one hundred twenty-one thousand, two hundred thirty-four".