3081997103 has 4 divisors (see below), whose sum is σ = 3165294360. Its totient is φ = 2998699848.

The previous prime is 3081997081. The next prime is 3081997111. The reversal of 3081997103 is 3017991803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3017991803 = 2767 ⋅1090709.

It is a cyclic number.

It is not a de Polignac number, because 3081997103 - 2¹² = 3081993007 is a prime.

It is a super-2 number, since 2×3081997103² = 18997412285800785218, which 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 (3081997703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41648573 + ... + 41648646.

It is an arithmetic number, because the mean of its divisors is an integer number (791323590).

Almost surely, 2^3081997103 is an apocalyptic number.

3081997103 is a deficient number, since it is larger than the sum of its proper divisors (83297257).

3081997103 is an equidigital number, since it uses as much as digits as its factorization.

3081997103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83297256.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 3081997103 is about 55515.7374354336. The cubic root of 3081997103 is about 1455.2716714603.

The spelling of 3081997103 in words is "three billion, eighty-one million, nine hundred ninety-seven thousand, one hundred three".