103321131321 has 16 divisors (see below), whose sum is σ = 140880089088. Its totient is φ = 67325370000.

The previous prime is 103321131317. The next prime is 103321131343. The reversal of 103321131321 is 123131123301.

It is a happy number.

It is not a de Polignac number, because 103321131321 - 2² = 103321131317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103321131311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381975 + ... + 593756.

It is an arithmetic number, because the mean of its divisors is an integer number (8805005568).

Almost surely, 2^103321131321 is an apocalyptic number.

It is an amenable number.

103321131321 is a deficient number, since it is larger than the sum of its proper divisors (37558957767).

103321131321 is an equidigital number, since it uses as much as digits as its factorization.

103321131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976532.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103321131321 its reverse (123131123301), we get a palindrome (226452254622).

The spelling of 103321131321 in words is "one hundred three billion, three hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-one".