1463311231 has 2 divisors, whose sum is σ = 1463311232. Its totient is φ = 1463311230.

The previous prime is 1463311229. The next prime is 1463311243. The reversal of 1463311231 is 1321133641.

It is a weak prime.

It is an emirp because it is prime and its reverse (1321133641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1463311231 - 2¹ = 1463311229 is a prime.

It is a super-2 number, since 2×1463311231² = 4282559517541470722, which contains 22 as substring.

Together with 1463311229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1463311196 and 1463311205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1463311831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731655615 + 731655616.

It is an arithmetic number, because the mean of its divisors is an integer number (731655616).

Almost surely, 2^1463311231 is an apocalyptic number.

1463311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463311231 is an equidigital number, since it uses as much as digits as its factorization.

1463311231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 1463311231 is about 38253.2512474430. The cubic root of 1463311231 is about 1135.3041758831.

Adding to 1463311231 its reverse (1321133641), we get a palindrome (2784444872).

The spelling of 1463311231 in words is "one billion, four hundred sixty-three million, three hundred eleven thousand, two hundred thirty-one".