1315352231 has 2 divisors, whose sum is σ = 1315352232. Its totient is φ = 1315352230.

The previous prime is 1315352219. The next prime is 1315352243. The reversal of 1315352231 is 1322535131.

It is a balanced prime because it is at equal distance from previous prime (1315352219) and next prime (1315352243).

It is a cyclic number.

It is not a de Polignac number, because 1315352231 - 2¹⁰ = 1315351207 is a prime.

It is a super-2 number, since 2×1315352231² = 3460302983193354722, 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 1315352231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315352281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657676115 + 657676116.

It is an arithmetic number, because the mean of its divisors is an integer number (657676116).

Almost surely, 2^1315352231 is an apocalyptic number.

1315352231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315352231 is an equidigital number, since it uses as much as digits as its factorization.

1315352231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 1315352231 is about 36267.7850302441. The cubic root of 1315352231 is about 1095.6723159366.

Adding to 1315352231 its reverse (1322535131), we get a palindrome (2637887362).

The spelling of 1315352231 in words is "one billion, three hundred fifteen million, three hundred fifty-two thousand, two hundred thirty-one".