4022313231402 has 80 divisors (see below), whose sum is σ = 9420328253952. Its totient is φ = 1280363150880.

The previous prime is 4022313231389. The next prime is 4022313231421. The reversal of 4022313231402 is 2041323132204.

4022313231402 is a `hidden beast` number, since 4 + 0 + 2 + 23 + 1 + 3 + 231 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1372452 + ... + 3150912.

Almost surely, 2^{4022313231402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022313231402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4710164126976).

4022313231402 is an abundant number, since it is smaller than the sum of its proper divisors (5398015022550).

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

4022313231402 is a wasteful number, since it uses less digits than its factorization.

4022313231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779105 (or 1779096 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4022313231402 its reverse (2041323132204), we get a palindrome (6063636363606).

The spelling of 4022313231402 in words is "four trillion, twenty-two billion, three hundred thirteen million, two hundred thirty-one thousand, four hundred two".