103013231321 has 16 divisors (see below), whose sum is σ = 138311472768. Its totient is φ = 74095430400.

The previous prime is 103013231311. The next prime is 103013231341. The reversal of 103013231321 is 123132310301.

It is a cyclic number.

It is not a de Polignac number, because 103013231321 - 2⁶ = 103013231257 is a prime.

It is a super-2 number, since 2×103013231321² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103013231293 and 103013231302.

It is not an unprimeable number, because it can be changed into a prime (103013231311) 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, 51454160 + ... + 51456161.

It is an arithmetic number, because the mean of its divisors is an integer number (8644467048).

Almost surely, 2^103013231321 is an apocalyptic number.

103013231321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103013231321 is a deficient number, since it is larger than the sum of its proper divisors (35298241447).

103013231321 is a wasteful number, since it uses less digits than its factorization.

103013231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102910352.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103013231321 its reverse (123132310301), we get a palindrome (226145541622).

The spelling of 103013231321 in words is "one hundred three billion, thirteen million, two hundred thirty-one thousand, three hundred twenty-one".