1031616427 has 2 divisors, whose sum is σ = 1031616428. Its totient is φ = 1031616426.

The previous prime is 1031616413. The next prime is 1031616431. The reversal of 1031616427 is 7246161301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031616427 - 2¹¹ = 1031614379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031616497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515808213 + 515808214.

It is an arithmetic number, because the mean of its divisors is an integer number (515808214).

Almost surely, 2^1031616427 is an apocalyptic number.

1031616427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031616427 is an equidigital number, since it uses as much as digits as its factorization.

1031616427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1031616427 is about 32118.7862006023. The cubic root of 1031616427 is about 1010.4296531638.

Adding to 1031616427 its reverse (7246161301), we get a palindrome (8277777728).

The spelling of 1031616427 in words is "one billion, thirty-one million, six hundred sixteen thousand, four hundred twenty-seven".