103231101111321 has 4 divisors (see below), whose sum is σ = 137641468148432. Its totient is φ = 68820734074212.

The previous prime is 103231101111269. The next prime is 103231101111401. The reversal of 103231101111321 is 123111101132301.

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 103231101111321 - 2¹³ = 103231101103129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103231101191321) 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, 17205183518551 + ... + 17205183518556.

It is an arithmetic number, because the mean of its divisors is an integer number (34410367037108).

Almost surely, 2^{103231101111321} is an apocalyptic number.

It is an amenable number.

103231101111321 is a deficient number, since it is larger than the sum of its proper divisors (34410367037111).

103231101111321 is an equidigital number, since it uses as much as digits as its factorization.

103231101111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410367037110.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 103231101111321 its reverse (123111101132301), we get a palindrome (226342202243622).

The spelling of 103231101111321 in words is "one hundred three trillion, two hundred thirty-one billion, one hundred one million, one hundred eleven thousand, three hundred twenty-one".