12743702531 has 8 divisors (see below), whose sum is σ = 14660684544. Its totient is φ = 10850833800.

The previous prime is 12743702527. The next prime is 12743702557. The reversal of 12743702531 is 13520734721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12743702531 - 2² = 12743702527 is a prime.

It is a super-2 number, since 2×12743702531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12743702491 and 12743702500.

It is not an unprimeable number, because it can be changed into a prime (12743702561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027185 + ... + 6029298.

It is an arithmetic number, because the mean of its divisors is an integer number (1832585568).

Almost surely, 2^12743702531 is an apocalyptic number.

12743702531 is a deficient number, since it is larger than the sum of its proper divisors (1916982013).

12743702531 is a wasteful number, since it uses less digits than its factorization.

12743702531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056641.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 12743702531 in words is "twelve billion, seven hundred forty-three million, seven hundred two thousand, five hundred thirty-one".