3100140221 has 4 divisors (see below), whose sum is σ = 3137491392. Its totient is φ = 3062789052.

The previous prime is 3100140209. The next prime is 3100140227. The reversal of 3100140221 is 1220410013.

3100140221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3100140221 - 2¹⁰ = 3100139197 is a prime.

It is a super-2 number, since 2×3100140221² = 19221738779723857682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3100140196 and 3100140205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100140227) 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, 18675461 + ... + 18675626.

It is an arithmetic number, because the mean of its divisors is an integer number (784372848).

Almost surely, 2^3100140221 is an apocalyptic number.

It is an amenable number.

3100140221 is a deficient number, since it is larger than the sum of its proper divisors (37351171).

3100140221 is an equidigital number, since it uses as much as digits as its factorization.

3100140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37351170.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3100140221 is about 55678.9028358139. The cubic root of 3100140221 is about 1458.1217200332.

Adding to 3100140221 its reverse (1220410013), we get a palindrome (4320550234).

The spelling of 3100140221 in words is "three billion, one hundred million, one hundred forty thousand, two hundred twenty-one".