3143402340 has 384 divisors, whose sum is σ = 10617868800. Its totient is φ = 687439872.

The previous prime is 3143402299. The next prime is 3143402359. The reversal of 3143402340 is 432043413.

3143402340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3143402340² = 19761956542234951200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3143402340.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21096586 + ... + 21096734.

It is an arithmetic number, because the mean of its divisors is an integer number (27650700).

Almost surely, 2^3143402340 is an apocalyptic number.

3143402340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143402340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5308934400).

3143402340 is an abundant number, since it is smaller than the sum of its proper divisors (7474466460).

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

3143402340 is a wasteful number, since it uses less digits than its factorization.

3143402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3143402340 is about 56066.0533656508. The cubic root of 3143402340 is about 1464.8730552756.

Adding to 3143402340 its reverse (432043413), we get a palindrome (3575445753).

The spelling of 3143402340 in words is "three billion, one hundred forty-three million, four hundred two thousand, three hundred forty".