1303121101310 has 96 divisors (see below), whose sum is σ = 2988704511360. Its totient is φ = 406002766848.

The previous prime is 1303121101309. The next prime is 1303121101319. The reversal of 1303121101310 is 131011213031.

It is a super-2 number, since 2×1303121101310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303121101319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2455622 + ... + 2938761.

It is an arithmetic number, because the mean of its divisors is an integer number (31132338660).

Almost surely, 2^{1303121101310} is an apocalyptic number.

1303121101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303121101310 is an abundant number, since it is smaller than the sum of its proper divisors (1685583410050).

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

1303121101310 is a wasteful number, since it uses less digits than its factorization.

1303121101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394450 (or 5394443 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1303121101310 its reverse (131011213031), we get a palindrome (1434132314341).

The spelling of 1303121101310 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred one thousand, three hundred ten".