3143402120 has 32 divisors (see below), whose sum is σ = 7075240920. Its totient is φ = 1256901120.

The previous prime is 3143402113. The next prime is 3143402147. The reversal of 3143402120 is 212043413.

It can be written as a sum of positive squares in 4 ways, for example, as 3142947844 + 454276 = 56062^2 + 674^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3143402092 and 3143402101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109604 + ... + 135276.

Almost surely, 2^3143402120 is an apocalyptic number.

It is an amenable number.

3143402120 is an abundant number, since it is smaller than the sum of its proper divisors (3931838800).

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

3143402120 is a wasteful number, since it uses less digits than its factorization.

3143402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28745 (or 28741 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3143402120 is about 56066.0514036792. The cubic root of 3143402120 is about 1464.8730211012.

Adding to 3143402120 its reverse (212043413), we get a palindrome (3355445533).

The spelling of 3143402120 in words is "three billion, one hundred forty-three million, four hundred two thousand, one hundred twenty".