1313031310122 has 64 divisors (see below), whose sum is σ = 3082762172160. Its totient is φ = 364961189376.

The previous prime is 1313031310117. The next prime is 1313031310127. The reversal of 1313031310122 is 2210131303131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1313031310117) and next prime (1313031310127).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1313031310127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11737638 + ... + 11848974.

It is an arithmetic number, because the mean of its divisors is an integer number (48168158940).

Almost surely, 2^{1313031310122} is an apocalyptic number.

1313031310122 is an abundant number, since it is smaller than the sum of its proper divisors (1769730862038).

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

1313031310122 is a wasteful number, since it uses less digits than its factorization.

1313031310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118975.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313031310122 its reverse (2210131303131), we get a palindrome (3523162613253).

The spelling of 1313031310122 in words is "one trillion, three hundred thirteen billion, thirty-one million, three hundred ten thousand, one hundred twenty-two".