3213121039 has 2 divisors, whose sum is σ = 3213121040. Its totient is φ = 3213121038.

The previous prime is 3213121001. The next prime is 3213121097. The reversal of 3213121039 is 9301213123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213121039 - 2²¹ = 3211023887 is a prime.

It is a super-2 number, since 2×3213121039² = 20648293622528879042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213121339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606560519 + 1606560520.

It is an arithmetic number, because the mean of its divisors is an integer number (1606560520).

Almost surely, 2^3213121039 is an apocalyptic number.

3213121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213121039 is an equidigital number, since it uses as much as digits as its factorization.

3213121039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3213121039 is about 56684.3985502184. The cubic root of 3213121039 is about 1475.6239496002.

The spelling of 3213121039 in words is "three billion, two hundred thirteen million, one hundred twenty-one thousand, thirty-nine".