3144931 has 2 divisors, whose sum is σ = 3144932. Its totient is φ = 3144930.

The previous prime is 3144923. The next prime is 3144941. The reversal of 3144931 is 1394413.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1394413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3144931 - 2³ = 3144923 is a prime.

It is a super-2 number, since 2×3144931² = 19781181989522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3144896 and 3144905.

It is not a weakly prime, because it can be changed into another prime (3144941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572465 + 1572466.

It is an arithmetic number, because the mean of its divisors is an integer number (1572466).

Almost surely, 2^3144931 is an apocalyptic number.

3144931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144931 is an equidigital number, since it uses as much as digits as its factorization.

3144931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 3144931 is about 1773.3953309964. The cubic root of 3144931 is about 146.5110476357.

The spelling of 3144931 in words is "three million, one hundred forty-four thousand, nine hundred thirty-one".