103279481 has 4 divisors (see below), whose sum is σ = 103485312. Its totient is φ = 103073652.

The previous prime is 103279433. The next prime is 103279493. The reversal of 103279481 is 184972301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103279481 is a prime.

It is a super-2 number, since 2×103279481² = 21333302391258722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103279081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102161 + ... + 103166.

It is an arithmetic number, because the mean of its divisors is an integer number (25871328).

Almost surely, 2^103279481 is an apocalyptic number.

It is an amenable number.

103279481 is a deficient number, since it is larger than the sum of its proper divisors (205831).

103279481 is an equidigital number, since it uses as much as digits as its factorization.

103279481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205830.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 103279481 is about 10162.6512780868. The cubic root of 103279481 is about 469.1784061890.

The spelling of 103279481 in words is "one hundred three million, two hundred seventy-nine thousand, four hundred eighty-one".