12471383731 has 16 divisors (see below), whose sum is σ = 13436575488. Its totient is φ = 11552486400.

The previous prime is 12471383711. The next prime is 12471383779. The reversal of 12471383731 is 13738317421.

It is a cyclic number.

It is not a de Polignac number, because 12471383731 - 2¹⁷ = 12471252659 is a prime.

It is a super-2 number, since 2×12471383731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12471383711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25206 + ... + 159931.

It is an arithmetic number, because the mean of its divisors is an integer number (839785968).

Almost surely, 2^12471383731 is an apocalyptic number.

12471383731 is a deficient number, since it is larger than the sum of its proper divisors (965191757).

12471383731 is a wasteful number, since it uses less digits than its factorization.

12471383731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185262.

The product of its digits is 84672, while the sum is 40.

The spelling of 12471383731 in words is "twelve billion, four hundred seventy-one million, three hundred eighty-three thousand, seven hundred thirty-one".