103873531 has 2 divisors, whose sum is σ = 103873532. Its totient is φ = 103873530.

The previous prime is 103873507. The next prime is 103873559. The reversal of 103873531 is 135378301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103873531 is a prime.

It is a super-2 number, since 2×103873531² = 21579420884815922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103873493 and 103873502.

It is not a weakly prime, because it can be changed into another prime (103873831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51936765 + 51936766.

It is an arithmetic number, because the mean of its divisors is an integer number (51936766).

Almost surely, 2^103873531 is an apocalyptic number.

103873531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103873531 is an equidigital number, since it uses as much as digits as its factorization.

103873531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 103873531 is about 10191.8364880918. The cubic root of 103873531 is about 470.0762378216.

The spelling of 103873531 in words is "one hundred three million, eight hundred seventy-three thousand, five hundred thirty-one".