103231332013 has 4 divisors (see below), whose sum is σ = 103232382588. Its totient is φ = 103230281440.

The previous prime is 103231332007. The next prime is 103231332067. The reversal of 103231332013 is 310233132301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310233132301 = 43 ⋅7214724007.

It can be written as a sum of positive squares in 2 ways, for example, as 83545277764 + 19686054249 = 289042^2 + 140307^2 .

It is a cyclic number.

It is not a de Polignac number, because 103231332013 - 2³³ = 94641397421 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 (103231332713) 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, 360706 + ... + 580147.

It is an arithmetic number, because the mean of its divisors is an integer number (25808095647).

Almost surely, 2^103231332013 is an apocalyptic number.

It is an amenable number.

103231332013 is a deficient number, since it is larger than the sum of its proper divisors (1050575).

103231332013 is an equidigital number, since it uses as much as digits as its factorization.

103231332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050574.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 103231332013 its reverse (310233132301), we get a palindrome (413464464314).

The spelling of 103231332013 in words is "one hundred three billion, two hundred thirty-one million, three hundred thirty-two thousand, thirteen".