3213140312 has 32 divisors (see below), whose sum is σ = 6362079600. Its totient is φ = 1517128704.

The previous prime is 3213140269. The next prime is 3213140321. The reversal of 3213140312 is 2130413123.

It is a congruent number.

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, 13808 + ... + 81344.

Almost surely, 2^3213140312 is an apocalyptic number.

It is an amenable number.

3213140312 is a deficient number, since it is larger than the sum of its proper divisors (3148939288).

3213140312 is a wasteful number, since it uses less digits than its factorization.

3213140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67875 (or 67871 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3213140312 is about 56684.5685526493. The cubic root of 3213140312 is about 1475.6268999656.

Adding to 3213140312 its reverse (2130413123), we get a palindrome (5343553435).

The spelling of 3213140312 in words is "three billion, two hundred thirteen million, one hundred forty thousand, three hundred twelve".