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3130913 is a prime number
BaseRepresentation
bin1011111100011000100001
312220001210202
423330120201
51300142123
6151034545
735420012
oct13743041
95801722
103130913
111849335
12106ba55
13858116
145b7009
1541ca28
hex2fc621

3130913 has 2 divisors, whose sum is σ = 3130914. Its totient is φ = 3130912.

The previous prime is 3130901. The next prime is 3130943. The reversal of 3130913 is 3190313.

3130913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2411809 + 719104 = 1553^2 + 848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3130943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565456 + 1565457.

It is an arithmetic number, because the mean of its divisors is an integer number (1565457).

Almost surely, 23130913 is an apocalyptic number.

It is an amenable number.

3130913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130913 is an equidigital number, since it uses as much as digits as its factorization.

3130913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 3130913 is about 1769.4386115376. The cubic root of 3130913 is about 146.2930406353.

The spelling of 3130913 in words is "three million, one hundred thirty thousand, nine hundred thirteen".