103131311321101 has 4 divisors (see below), whose sum is σ = 117864355795552. Its totient is φ = 88398266846652.

The previous prime is 103131311321063. The next prime is 103131311321113. The reversal of 103131311321101 is 101123113131301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103131311321101 - 2²⁹ = 103130774450189 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 (103131311321191) 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, 7366522237215 + ... + 7366522237228.

It is an arithmetic number, because the mean of its divisors is an integer number (29466088948888).

Almost surely, 2^{103131311321101} is an apocalyptic number.

It is an amenable number.

103131311321101 is a deficient number, since it is larger than the sum of its proper divisors (14733044474451).

103131311321101 is an equidigital number, since it uses as much as digits as its factorization.

103131311321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733044474450.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 103131311321101 its reverse (101123113131301), we get a palindrome (204254424452402).

The spelling of 103131311321101 in words is "one hundred three trillion, one hundred thirty-one billion, three hundred eleven million, three hundred twenty-one thousand, one hundred one".