30279781052103 has 64 divisors (see below), whose sum is σ = 47162821017600. Its totient is φ = 17099239920000.

The previous prime is 30279781051963. The next prime is 30279781052207. The reversal of 30279781052103 is 30125018797203.

It is not a de Polignac number, because 30279781052103 - 2¹² = 30279781048007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30279781052303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9228928 + ... + 12071978.

It is an arithmetic number, because the mean of its divisors is an integer number (736919078400).

Almost surely, 2^{30279781052103} is an apocalyptic number.

30279781052103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30279781052103 is a deficient number, since it is larger than the sum of its proper divisors (16883039965497).

30279781052103 is a wasteful number, since it uses less digits than its factorization.

30279781052103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843484.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 30279781052103 in words is "thirty trillion, two hundred seventy-nine billion, seven hundred eighty-one million, fifty-two thousand, one hundred three".