3113121031 has 8 divisors (see below), whose sum is σ = 3211386224. Its totient is φ = 3016379520.

The previous prime is 3113120993. The next prime is 3113121043. The reversal of 3113121031 is 1301213113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113121031 is a prime.

It is a super-2 number, since 2×3113121031² = 19383045107309005922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113120996 and 3113121014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113121061) 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 7 ways as a sum of consecutive naturals, for example, 376770 + ... + 384943.

It is an arithmetic number, because the mean of its divisors is an integer number (401423278).

Almost surely, 2^3113121031 is an apocalyptic number.

3113121031 is a deficient number, since it is larger than the sum of its proper divisors (98265193).

3113121031 is an equidigital number, since it uses as much as digits as its factorization.

3113121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761841.

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

The square root of 3113121031 is about 55795.3495463556. The cubic root of 3113121031 is about 1460.1540199996.

Adding to 3113121031 its reverse (1301213113), we get a palindrome (4414334144).

The spelling of 3113121031 in words is "three billion, one hundred thirteen million, one hundred twenty-one thousand, thirty-one".