1316017231 has 2 divisors, whose sum is σ = 1316017232. Its totient is φ = 1316017230.

The previous prime is 1316017217. The next prime is 1316017237. The reversal of 1316017231 is 1327106131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316017231 - 2⁹ = 1316016719 is a prime.

It is a super-2 number, since 2×1316017231² = 3463802704577814722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1316017196 and 1316017205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316017237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658008615 + 658008616.

It is an arithmetic number, because the mean of its divisors is an integer number (658008616).

Almost surely, 2^1316017231 is an apocalyptic number.

1316017231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316017231 is an equidigital number, since it uses as much as digits as its factorization.

1316017231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1316017231 is about 36276.9517876020. The cubic root of 1316017231 is about 1095.8569304497.

Subtracting 1316017231 from its reverse (1327106131), we obtain a square (11088900 = 3330²).

The spelling of 1316017231 in words is "one billion, three hundred sixteen million, seventeen thousand, two hundred thirty-one".