3130739 has 2 divisors, whose sum is σ = 3130740.
Its totient is φ = 3130738.
The previous prime is 3130733. The next prime is 3130759. The reversal of 3130739 is 9370313.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 3130739 - 28 = 3130483 is a prime.
It is a super-2 number, since 2×31307392 = 19603053372242, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (3130733) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565369 + 1565370.
It is an arithmetic number, because the mean of its divisors is an integer number (1565370).
Almost surely, 23130739 is an apocalyptic number.
3130739 is a deficient number, since it is larger than the sum of its proper divisors (1).
3130739 is an equidigital number, since it uses as much as digits as its factorization.
3130739 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1701, while the sum is 26.
The square root of 3130739 is about 1769.3894427175.
The cubic root of 3130739 is about 146.2903305141.
The spelling of 3130739 in words is "three million, one hundred thirty thousand, seven hundred thirty-nine".