103663172031 has 16 divisors (see below), whose sum is σ = 143085333600. Its totient is φ = 66678284288.

The previous prime is 103663171991. The next prime is 103663172047. The reversal of 103663172031 is 130271366301.

It is a cyclic number.

It is not a de Polignac number, because 103663172031 - 2⁹ = 103663171519 is a prime.

It is a super-2 number, since 2×103663172031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103663171983 and 103663172001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103663172131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300246 + ... + 545411.

It is an arithmetic number, because the mean of its divisors is an integer number (8942833350).

Almost surely, 2^103663172031 is an apocalyptic number.

103663172031 is a deficient number, since it is larger than the sum of its proper divisors (39422161569).

103663172031 is a wasteful number, since it uses less digits than its factorization.

103663172031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847098.

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 103663172031 in words is "one hundred three billion, six hundred sixty-three million, one hundred seventy-two thousand, thirty-one".