3113212031 has 4 divisors (see below), whose sum is σ = 3220564200. Its totient is φ = 3005859864.

The previous prime is 3113212009. The next prime is 3113212033. The reversal of 3113212031 is 1302123113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3113212031 - 2¹⁰ = 3113211007 is a prime.

It is a super-2 number, since 2×3113212031² = 19384178299926289922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113212033) 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, 53676041 + ... + 53676098.

It is an arithmetic number, because the mean of its divisors is an integer number (805141050).

Almost surely, 2^3113212031 is an apocalyptic number.

3113212031 is a deficient number, since it is larger than the sum of its proper divisors (107352169).

3113212031 is a wasteful number, since it uses less digits than its factorization.

3113212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107352168.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3113212031 is about 55796.1650205460. The cubic root of 3113212031 is about 1460.1682471712.

Adding to 3113212031 its reverse (1302123113), we get a palindrome (4415335144).

The spelling of 3113212031 in words is "three billion, one hundred thirteen million, two hundred twelve thousand, thirty-one".