3100081730 has 32 divisors (see below), whose sum is σ = 5777179200. Its totient is φ = 1196316352.

The previous prime is 3100081727. The next prime is 3100081771. The reversal of 3100081730 is 371800013.

It is a happy number.

It is a super-2 number, since 2×3100081730² = 19221013465359585800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3100081696 and 3100081705.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 438161 + ... + 445179.

It is an arithmetic number, because the mean of its divisors is an integer number (180536850).

Almost surely, 2^3100081730 is an apocalyptic number.

3100081730 is a deficient number, since it is larger than the sum of its proper divisors (2677097470).

3100081730 is a wasteful number, since it uses less digits than its factorization.

3100081730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 3100081730 is about 55678.3775805294. The cubic root of 3100081730 is about 1458.1125497454.

Adding to 3100081730 its reverse (371800013), we get a palindrome (3471881743).

The spelling of 3100081730 in words is "three billion, one hundred million, eighty-one thousand, seven hundred thirty".