3113213031 has 12 divisors (see below), whose sum is σ = 4497482808. Its totient is φ = 2075189424.

The previous prime is 3113213021. The next prime is 3113213069. The reversal of 3113213031 is 1303123113.

It is a happy number.

3113213031 is a `hidden beast` number, since 311 + 321 + 3 + 0 + 31 = 666.

It is not a de Polignac number, because 3113213031 - 2¹⁰ = 3113212007 is a prime.

It is a super-2 number, since 2×3113213031² = 19384190752776413922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3113212995 and 3113213013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113213011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61036 + ... + 99758.

It is an arithmetic number, because the mean of its divisors is an integer number (374790234).

Almost surely, 2^3113213031 is an apocalyptic number.

3113213031 is a deficient number, since it is larger than the sum of its proper divisors (1384269777).

3113213031 is a wasteful number, since it uses less digits than its factorization.

3113213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47662 (or 47659 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3113213031 is about 55796.1739817346. The cubic root of 3113213031 is about 1460.1684035122.

Adding to 3113213031 its reverse (1303123113), we get a palindrome (4416336144).

The spelling of 3113213031 in words is "three billion, one hundred thirteen million, two hundred thirteen thousand, thirty-one".