1461231315 has 12 divisors (see below), whose sum is σ = 2532801024. Its totient is φ = 779323344.

The previous prime is 1461231313. The next prime is 1461231383. The reversal of 1461231315 is 5131321641.

It is a happy number.

1461231315 is a `hidden beast` number, since 1 + 4 + 612 + 31 + 3 + 15 = 666.

It is not a de Polignac number, because 1461231315 - 2¹ = 1461231313 is a prime.

It is a super-3 number, since 3×1461231315³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1461231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16235859 + ... + 16235948.

It is an arithmetic number, because the mean of its divisors is an integer number (211066752).

Almost surely, 2^1461231315 is an apocalyptic number.

1461231315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1461231315 is a deficient number, since it is larger than the sum of its proper divisors (1071569709).

1461231315 is a wasteful number, since it uses less digits than its factorization.

1461231315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32471818 (or 32471815 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1461231315 is about 38226.0554465145. The cubic root of 1461231315 is about 1134.7660226551.

Adding to 1461231315 its reverse (5131321641), we get a palindrome (6592552956).

The spelling of 1461231315 in words is "one billion, four hundred sixty-one million, two hundred thirty-one thousand, three hundred fifteen".