12313311045 has 16 divisors (see below), whose sum is σ = 22515768960. Its totient is φ = 5628942144.

The previous prime is 12313311029. The next prime is 12313311061. The reversal of 12313311045 is 54011331321.

It is an interprime number because it is at equal distance from previous prime (12313311029) and next prime (12313311061).

It is not a de Polignac number, because 12313311045 - 2⁴ = 12313311029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58634710 + ... + 58634919.

It is an arithmetic number, because the mean of its divisors is an integer number (1407235560).

Almost surely, 2^12313311045 is an apocalyptic number.

12313311045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12313311045 is a deficient number, since it is larger than the sum of its proper divisors (10202457915).

12313311045 is a wasteful number, since it uses less digits than its factorization.

12313311045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117269644.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 12313311045 its reverse (54011331321), we get a palindrome (66324642366).

The spelling of 12313311045 in words is "twelve billion, three hundred thirteen million, three hundred eleven thousand, forty-five".