1303431020013 has 8 divisors (see below), whose sum is σ = 1737932522400. Its totient is φ = 868941765488.

The previous prime is 1303431020009. The next prime is 1303431020063. The reversal of 1303431020013 is 3100201343031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303431020013 - 2² = 1303431020009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303431020063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810703 + ... + 3241436.

It is an arithmetic number, because the mean of its divisors is an integer number (217241565300).

Almost surely, 2^{1303431020013} is an apocalyptic number.

It is an amenable number.

1303431020013 is a deficient number, since it is larger than the sum of its proper divisors (434501502387).

1303431020013 is an equidigital number, since it uses as much as digits as its factorization.

1303431020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123931.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1303431020013 its reverse (3100201343031), we get a palindrome (4403632363044).

The spelling of 1303431020013 in words is "one trillion, three hundred three billion, four hundred thirty-one million, twenty thousand, thirteen".