3143212456 has 32 divisors (see below), whose sum is σ = 6090035040. Its totient is φ = 1519725888.

The previous prime is 3143212447. The next prime is 3143212463. The reversal of 3143212456 is 6542123413.

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, 15675 + ... + 80821.

It is an arithmetic number, because the mean of its divisors is an integer number (190313595).

Almost surely, 2^3143212456 is an apocalyptic number.

It is an amenable number.

3143212456 is a deficient number, since it is larger than the sum of its proper divisors (2946822584).

3143212456 is a wasteful number, since it uses less digits than its factorization.

3143212456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65353 (or 65349 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 3143212456 is about 56064.3599446208. The cubic root of 3143212456 is about 1464.8435584093.

Adding to 3143212456 its reverse (6542123413), we get a palindrome (9685335869).

The spelling of 3143212456 in words is "three billion, one hundred forty-three million, two hundred twelve thousand, four hundred fifty-six".