3189906031 has 4 divisors (see below), whose sum is σ = 3435283432. Its totient is φ = 2944528632.

The previous prime is 3189906017. The next prime is 3189906047. The reversal of 3189906031 is 1306099813.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3189906031 - 2⁹ = 3189905519 is a prime.

It is a super-2 number, since 2×3189906031² = 20351000973220345922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189906091) 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 in 3 ways as a sum of consecutive naturals, for example, 122688681 + ... + 122688706.

It is an arithmetic number, because the mean of its divisors is an integer number (858820858).

Almost surely, 2^3189906031 is an apocalyptic number.

3189906031 is a deficient number, since it is larger than the sum of its proper divisors (245377401).

3189906031 is a wasteful number, since it uses less digits than its factorization.

3189906031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245377400.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3189906031 is about 56479.2531023561. The cubic root of 3189906031 is about 1472.0615299419.

The spelling of 3189906031 in words is "three billion, one hundred eighty-nine million, nine hundred six thousand, thirty-one".