3112313430 has 64 divisors (see below), whose sum is σ = 7876281600. Its totient is φ = 784909440.

The previous prime is 3112313429. The next prime is 3112313431. The reversal of 3112313430 is 343132113.

It is an interprime number because it is at equal distance from previous prime (3112313429) and next prime (3112313431).

It is a junction number, because it is equal to n+sod(n) for n = 3112313397 and 3112313406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112313431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348420 + ... + 357240.

It is an arithmetic number, because the mean of its divisors is an integer number (123066900).

Almost surely, 2^3112313430 is an apocalyptic number.

3112313430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112313430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3938140800).

3112313430 is an abundant number, since it is smaller than the sum of its proper divisors (4763968170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3112313430 is a wasteful number, since it uses less digits than its factorization.

3112313430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3112313430 is about 55788.1119056740. Note that the first 3 decimals coincide. The cubic root of 3112313430 is about 1460.0277454538.

Adding to 3112313430 its reverse (343132113), we get a palindrome (3455445543).

The spelling of 3112313430 in words is "three billion, one hundred twelve million, three hundred thirteen thousand, four hundred thirty".