103231517437 has 2 divisors, whose sum is σ = 103231517438. Its totient is φ = 103231517436.

The previous prime is 103231517423. The next prime is 103231517447. The reversal of 103231517437 is 734715132301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88150203801 + 15081313636 = 296901^2 + 122806^2 .

It is a cyclic number.

It is not a de Polignac number, because 103231517437 - 2⁷ = 103231517309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103231517396 and 103231517405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103231517447) 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 as a sum of consecutive naturals, namely, 51615758718 + 51615758719.

It is an arithmetic number, because the mean of its divisors is an integer number (51615758719).

Almost surely, 2^103231517437 is an apocalyptic number.

It is an amenable number.

103231517437 is a deficient number, since it is larger than the sum of its proper divisors (1).

103231517437 is an equidigital number, since it uses as much as digits as its factorization.

103231517437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

Adding to 103231517437 its reverse (734715132301), we get a palindrome (837946649738).

The spelling of 103231517437 in words is "one hundred three billion, two hundred thirty-one million, five hundred seventeen thousand, four hundred thirty-seven".