3148931 has 2 divisors, whose sum is σ = 3148932. Its totient is φ = 3148930.

The previous prime is 3148919. The next prime is 3148939. The reversal of 3148931 is 1398413.

It is a strong prime.

It is an emirp because it is prime and its reverse (1398413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3148931 - 2⁶ = 3148867 is a prime.

It is a super-2 number, since 2×3148931² = 19831532885522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3148894 and 3148903.

It is not a weakly prime, because it can be changed into another prime (3148939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574465 + 1574466.

It is an arithmetic number, because the mean of its divisors is an integer number (1574466).

Almost surely, 2^3148931 is an apocalyptic number.

3148931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3148931 is an equidigital number, since it uses as much as digits as its factorization.

3148931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 3148931 is about 1774.5227527423. The cubic root of 3148931 is about 146.5731365342.

The spelling of 3148931 in words is "three million, one hundred forty-eight thousand, nine hundred thirty-one".