103572421317 has 12 divisors (see below), whose sum is σ = 149718048480. Its totient is φ = 68995924008.

The previous prime is 103572421289. The next prime is 103572421331. The reversal of 103572421317 is 713124275301.

103572421317 is a `hidden beast` number, since 10 + 3 + 572 + 42 + 1 + 31 + 7 = 666.

It is not a de Polignac number, because 103572421317 - 2⁸ = 103572421061 is a prime.

It is a super-3 number, since 3×103572421317³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103572426317) 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 11 ways as a sum of consecutive naturals, for example, 4350543 + ... + 4374284.

It is an arithmetic number, because the mean of its divisors is an integer number (12476504040).

Almost surely, 2^103572421317 is an apocalyptic number.

It is an amenable number.

103572421317 is a deficient number, since it is larger than the sum of its proper divisors (46145627163).

103572421317 is a wasteful number, since it uses less digits than its factorization.

103572421317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726152 (or 8726149 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 103572421317 its reverse (713124275301), we get a palindrome (816696696618).

The spelling of 103572421317 in words is "one hundred three billion, five hundred seventy-two million, four hundred twenty-one thousand, three hundred seventeen".