1313100031302 has 48 divisors (see below), whose sum is σ = 2881517804880. Its totient is φ = 432118587456.

The previous prime is 1313100031289. The next prime is 1313100031303. The reversal of 1313100031302 is 2031300013131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313100031303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664588 + ... + 1751535.

It is an arithmetic number, because the mean of its divisors is an integer number (60031620935).

Almost surely, 2^{1313100031302} is an apocalyptic number.

1313100031302 is an abundant number, since it is smaller than the sum of its proper divisors (1568417773578).

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

1313100031302 is a wasteful number, since it uses less digits than its factorization.

1313100031302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416517 (or 2416514 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1313100031302 its reverse (2031300013131), we get a palindrome (3344400044433).

The spelling of 1313100031302 in words is "one trillion, three hundred thirteen billion, one hundred million, thirty-one thousand, three hundred two".