3101243145 has 64 divisors (see below), whose sum is σ = 6662283264. Its totient is φ = 1189681920.

The previous prime is 3101243129. The next prime is 3101243191. The reversal of 3101243145 is 5413421013.

It is a happy number.

3101243145 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3101243145 - 2⁴ = 3101243129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88257 + ... + 118286.

It is an arithmetic number, because the mean of its divisors is an integer number (104098176).

Almost surely, 2^3101243145 is an apocalyptic number.

3101243145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3101243145 is an abundant number, since it is smaller than the sum of its proper divisors (3561040119).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101243145 is a wasteful number, since it uses less digits than its factorization.

3101243145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206582.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3101243145 is about 55688.8062809754. The cubic root of 3101243145 is about 1458.2946161658.

Adding to 3101243145 its reverse (5413421013), we get a palindrome (8514664158).

The spelling of 3101243145 in words is "three billion, one hundred one million, two hundred forty-three thousand, one hundred forty-five".