103082531 has 4 divisors (see below), whose sum is σ = 103203672. Its totient is φ = 102961392.

The previous prime is 103082513. The next prime is 103082537. The reversal of 103082531 is 135280301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135280301 = 13 ⋅10406177.

It is a cyclic number.

It is not a de Polignac number, because 103082531 - 2¹⁰ = 103081507 is a prime.

It is a super-2 number, since 2×103082531² = 21252016394731922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103082497 and 103082506.

It is not an unprimeable number, because it can be changed into a prime (103082537) 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, 59285 + ... + 60998.

It is an arithmetic number, because the mean of its divisors is an integer number (25800918).

Almost surely, 2^103082531 is an apocalyptic number.

103082531 is a deficient number, since it is larger than the sum of its proper divisors (121141).

103082531 is an equidigital number, since it uses as much as digits as its factorization.

103082531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121140.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 103082531 is about 10152.9567614562. The cubic root of 103082531 is about 468.8799813522.

The spelling of 103082531 in words is "one hundred three million, eighty-two thousand, five hundred thirty-one".