103313331011321 has 4 divisors (see below), whose sum is σ = 103314371642100. Its totient is φ = 103312290380544.

The previous prime is 103313331011287. The next prime is 103313331011323. The reversal of 103313331011321 is 123110133313301.

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 54136926528400 + 49176404482921 = 7357780^2 + 7012589^2 .

It is a cyclic number.

It is not a de Polignac number, because 103313331011321 - 2⁴⁶ = 32944586833657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103313331011323) 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, 520166456 + ... + 520365033.

It is an arithmetic number, because the mean of its divisors is an integer number (25828592910525).

Almost surely, 2^{103313331011321} is an apocalyptic number.

It is an amenable number.

103313331011321 is a deficient number, since it is larger than the sum of its proper divisors (1040630779).

103313331011321 is an equidigital number, since it uses as much as digits as its factorization.

103313331011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040630778.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 103313331011321 its reverse (123110133313301), we get a palindrome (226423464324622).

The spelling of 103313331011321 in words is "one hundred three trillion, three hundred thirteen billion, three hundred thirty-one million, eleven thousand, three hundred twenty-one".