20103996031 has 24 divisors (see below), whose sum is σ = 23828981280. Its totient is φ = 16614383040.

The previous prime is 20103996023. The next prime is 20103996067. The reversal of 20103996031 is 13069930102.

It is not a de Polignac number, because 20103996031 - 2³ = 20103996023 is a prime.

It is a super-2 number, since 2×20103996031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103996071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1857985 + ... + 1868773.

It is an arithmetic number, because the mean of its divisors is an integer number (992874220).

Almost surely, 2^20103996031 is an apocalyptic number.

20103996031 is a deficient number, since it is larger than the sum of its proper divisors (3724985249).

20103996031 is a wasteful number, since it uses less digits than its factorization.

20103996031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135 (or 11104 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 20103996031 in words is "twenty billion, one hundred three million, nine hundred ninety-six thousand, thirty-one".