3101131213 has 4 divisors (see below), whose sum is σ = 3111103008. Its totient is φ = 3091159420.

The previous prime is 3101131183. The next prime is 3101131223. The reversal of 3101131213 is 3121311013.

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 3101131213 - 2⁵ = 3101131181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101131223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4985431 + ... + 4986052.

It is an arithmetic number, because the mean of its divisors is an integer number (777775752).

Almost surely, 2^3101131213 is an apocalyptic number.

It is an amenable number.

3101131213 is a deficient number, since it is larger than the sum of its proper divisors (9971795).

3101131213 is an equidigital number, since it uses as much as digits as its factorization.

3101131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971794.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3101131213 is about 55687.8012943589. The cubic root of 3101131213 is about 1458.2770713954.

Adding to 3101131213 its reverse (3121311013), we get a palindrome (6222442226).

The spelling of 3101131213 in words is "three billion, one hundred one million, one hundred thirty-one thousand, two hundred thirteen".