1913130227 has 2 divisors, whose sum is σ = 1913130228. Its totient is φ = 1913130226.

The previous prime is 1913130221. The next prime is 1913130259. The reversal of 1913130227 is 7220313191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1913130227 - 2¹⁰ = 1913129203 is a prime.

It is a super-2 number, since 2×1913130227² = 7320134530922143058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1913130227.

It is not a weakly prime, because it can be changed into another prime (1913130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956565113 + 956565114.

It is an arithmetic number, because the mean of its divisors is an integer number (956565114).

Almost surely, 2^1913130227 is an apocalyptic number.

1913130227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1913130227 is an equidigital number, since it uses as much as digits as its factorization.

1913130227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1913130227 is about 43739.3441537479. The cubic root of 1913130227 is about 1241.4088710350.

The spelling of 1913130227 in words is "one billion, nine hundred thirteen million, one hundred thirty thousand, two hundred twenty-seven".