3130343440 has 120 divisors (see below), whose sum is σ = 8673241752. Its totient is φ = 1047029760.

The previous prime is 3130343407. The next prime is 3130343473. The reversal of 3130343440 is 443430313.

It is an interprime number because it is at equal distance from previous prime (3130343407) and next prime (3130343473).

It can be written as a sum of positive squares in 4 ways, for example, as 69155856 + 3061187584 = 8316^2 + 55328^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150982 + ... + 170458.

Almost surely, 2^3130343440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4336620876).

3130343440 is an abundant number, since it is smaller than the sum of its proper divisors (5542898312).

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

3130343440 is a wasteful number, since it uses less digits than its factorization.

3130343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19545 (or 19532 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 3130343440 is about 55949.4722048385. The cubic root of 3130343440 is about 1462.8416913172.

Adding to 3130343440 its reverse (443430313), we get a palindrome (3573773753).

The spelling of 3130343440 in words is "three billion, one hundred thirty million, three hundred forty-three thousand, four hundred forty".