1000031302013 has 4 divisors (see below), whose sum is σ = 1000104156540. Its totient is φ = 999958447488.

The previous prime is 1000031301977. The next prime is 1000031302069. The reversal of 1000031302013 is 3102031300001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 505425730489 + 494605571524 = 710933^2 + 703282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000031302013 - 2³⁶ = 931311825277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000031302313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36406670 + ... + 36434127.

It is an arithmetic number, because the mean of its divisors is an integer number (250026039135).

Almost surely, 2^{1000031302013} is an apocalyptic number.

It is an amenable number.

1000031302013 is a deficient number, since it is larger than the sum of its proper divisors (72854527).

1000031302013 is an equidigital number, since it uses as much as digits as its factorization.

1000031302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72854526.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 1000031302013 its reverse (3102031300001), we get a palindrome (4102062602014).

The spelling of 1000031302013 in words is "one trillion, thirty-one million, three hundred two thousand, thirteen".