3213131539939 has 2 divisors, whose sum is σ = 3213131539940. Its totient is φ = 3213131539938.

The previous prime is 3213131539913. The next prime is 3213131540011. The reversal of 3213131539939 is 9399351313123.

It is a happy number.

3213131539939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213131539939 is a prime.

It is not a weakly prime, because it can be changed into another prime (3213131534939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606565769969 + 1606565769970.

It is an arithmetic number, because the mean of its divisors is an integer number (1606565769970).

Almost surely, 2^{3213131539939} is an apocalyptic number.

3213131539939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213131539939 is an equidigital number, since it uses as much as digits as its factorization.

3213131539939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1771470, while the sum is 52.

The spelling of 3213131539939 in words is "three trillion, two hundred thirteen billion, one hundred thirty-one million, five hundred thirty-nine thousand, nine hundred thirty-nine".