103603375531 has 2 divisors, whose sum is σ = 103603375532. Its totient is φ = 103603375530.

The previous prime is 103603375529. The next prime is 103603375543. The reversal of 103603375531 is 135573306301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103603375531 - 2¹ = 103603375529 is a prime.

It is a super-3 number, since 3×103603375531³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 103603375529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103603375511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51801687765 + 51801687766.

It is an arithmetic number, because the mean of its divisors is an integer number (51801687766).

Almost surely, 2^103603375531 is an apocalyptic number.

103603375531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103603375531 is an equidigital number, since it uses as much as digits as its factorization.

103603375531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 37.

The spelling of 103603375531 in words is "one hundred three billion, six hundred three million, three hundred seventy-five thousand, five hundred thirty-one".