103213132313 has 4 divisors (see below), whose sum is σ = 103213961508. Its totient is φ = 103212303120.

The previous prime is 103213132303. The next prime is 103213132327. The reversal of 103213132313 is 313231312301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 76955198464 + 26257933849 = 277408^2 + 162043^2 .

It is a cyclic number.

It is not a de Polignac number, because 103213132313 - 2¹⁰ = 103213131289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103213132303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185798 + ... + 490863.

It is an arithmetic number, because the mean of its divisors is an integer number (25803490377).

Almost surely, 2^103213132313 is an apocalyptic number.

It is an amenable number.

103213132313 is a deficient number, since it is larger than the sum of its proper divisors (829195).

103213132313 is an equidigital number, since it uses as much as digits as its factorization.

103213132313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829194.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 103213132313 its reverse (313231312301), we get a palindrome (416444444614).

The spelling of 103213132313 in words is "one hundred three billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred thirteen".