103031100132013 has 4 divisors (see below), whose sum is σ = 103031120572380. Its totient is φ = 103031079691648.

The previous prime is 103031100131977. The next prime is 103031100132043. The reversal of 103031100132013 is 310231001130301.

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 49182772119849 + 53848328012164 = 7013043^2 + 7338142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103031100132013 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 (103031100132043) 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, 3321981 + ... + 14734237.

It is an arithmetic number, because the mean of its divisors is an integer number (25757780143095).

Almost surely, 2^{103031100132013} is an apocalyptic number.

It is an amenable number.

103031100132013 is a deficient number, since it is larger than the sum of its proper divisors (20440367).

103031100132013 is an equidigital number, since it uses as much as digits as its factorization.

103031100132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20440366.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 103031100132013 its reverse (310231001130301), we get a palindrome (413262101262314).

The spelling of 103031100132013 in words is "one hundred three trillion, thirty-one billion, one hundred million, one hundred thirty-two thousand, thirteen".