3143986340 has 48 divisors (see below), whose sum is σ = 7218578304. Its totient is φ = 1140729600.

The previous prime is 3143986337. The next prime is 3143986343. The reversal of 3143986340 is 436893413.

It is an interprime number because it is at equal distance from previous prime (3143986337) and next prime (3143986343).

It is a super-2 number, since 2×3143986340² = 19769300212213191200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3143986343) 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 15 ways as a sum of consecutive naturals, for example, 84905 + ... + 116175.

It is an arithmetic number, because the mean of its divisors is an integer number (150387048).

Almost surely, 2^3143986340 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 3143986340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609289152).

3143986340 is an abundant number, since it is smaller than the sum of its proper divisors (4074591964).

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

3143986340 is a wasteful number, since it uses less digits than its factorization.

3143986340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748 (or 31746 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 3143986340 is about 56071.2612663564. The cubic root of 3143986340 is about 1464.9637672705.

The spelling of 3143986340 in words is "three billion, one hundred forty-three million, nine hundred eighty-six thousand, three hundred forty".