310313120400042 has 32 divisors (see below), whose sum is σ = 624100600294080. Its totient is φ = 102858730191360.

The previous prime is 310313120400013. The next prime is 310313120400043. The reversal of 310313120400042 is 240004021313013.

It is a happy number.

It is a super-2 number, since 2×310313120400042² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310313120399985 and 310313120400021.

It is not an unprimeable number, because it can be changed into a prime (310313120400043) 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, 4503273 + ... + 25316115.

It is an arithmetic number, because the mean of its divisors is an integer number (19503143759190).

Almost surely, 2^{310313120400042} is an apocalyptic number.

310313120400042 is an abundant number, since it is smaller than the sum of its proper divisors (313787479894038).

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

310313120400042 is a wasteful number, since it uses less digits than its factorization.

310313120400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20826758.

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

Adding to 310313120400042 its reverse (240004021313013), we get a palindrome (550317141713055).

The spelling of 310313120400042 in words is "three hundred ten trillion, three hundred thirteen billion, one hundred twenty million, four hundred thousand, forty-two".