1231345415 has 8 divisors (see below), whose sum is σ = 1513654128. Its totient is φ = 961049920.

The previous prime is 1231345361. The next prime is 1231345469. The reversal of 1231345415 is 5145431321.

It is an interprime number because it is at equal distance from previous prime (1231345361) and next prime (1231345469).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231345415 - 2⁶ = 1231345351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003077 + ... + 3003486.

It is an arithmetic number, because the mean of its divisors is an integer number (189206766).

Almost surely, 2^1231345415 is an apocalyptic number.

1231345415 is a deficient number, since it is larger than the sum of its proper divisors (282308713).

1231345415 is an equidigital number, since it uses as much as digits as its factorization.

1231345415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006609.

The product of its digits is 7200, while the sum is 29.

The square root of 1231345415 is about 35090.5317001609. The cubic root of 1231345415 is about 1071.8317867303.

Adding to 1231345415 its reverse (5145431321), we get a palindrome (6376776736).

The spelling of 1231345415 in words is "one billion, two hundred thirty-one million, three hundred forty-five thousand, four hundred fifteen".