12314551481 has 2 divisors, whose sum is σ = 12314551482. Its totient is φ = 12314551480.

The previous prime is 12314551427. The next prime is 12314551493. The reversal of 12314551481 is 18415541321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6612942400 + 5701609081 = 81320^2 + 75509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12314551481 is a prime.

It is a super-2 number, since 2×12314551481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12314551411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157275740 + 6157275741.

It is an arithmetic number, because the mean of its divisors is an integer number (6157275741).

Almost surely, 2^12314551481 is an apocalyptic number.

It is an amenable number.

12314551481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12314551481 is an equidigital number, since it uses as much as digits as its factorization.

12314551481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 35.

The spelling of 12314551481 in words is "twelve billion, three hundred fourteen million, five hundred fifty-one thousand, four hundred eighty-one".