3101031213 has 16 divisors (see below), whose sum is σ = 4726247040. Its totient is φ = 1771693056.

The previous prime is 3101031169. The next prime is 3101031221. The reversal of 3101031213 is 3121301013.

It is not a de Polignac number, because 3101031213 - 2⁹ = 3101030701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3101031192 and 3101031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101031233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149373 + ... + 168861.

It is an arithmetic number, because the mean of its divisors is an integer number (295390440).

Almost surely, 2^3101031213 is an apocalyptic number.

It is an amenable number.

3101031213 is a deficient number, since it is larger than the sum of its proper divisors (1625215827).

3101031213 is a wasteful number, since it uses less digits than its factorization.

3101031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27076.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3101031213 is about 55686.9034244139. The cubic root of 3101031213 is about 1458.2613965481.

Adding to 3101031213 its reverse (3121301013), we get a palindrome (6222332226).

The spelling of 3101031213 in words is "three billion, one hundred one million, thirty-one thousand, two hundred thirteen".