7071531742431 has 16 divisors (see below), whose sum is σ = 11282215885920. Its totient is φ = 4351711841280.

The previous prime is 7071531742417. The next prime is 7071531742441. The reversal of 7071531742431 is 1342471351707.

7071531742431 is a `hidden beast` number, since 7 + 0 + 7 + 1 + 531 + 74 + 2 + 43 + 1 = 666.

It is not a de Polignac number, because 7071531742431 - 2⁶ = 7071531742367 is a prime.

It is a super-2 number, since 2×7071531742431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7071531742441) 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, 10073406690 + ... + 10073407391.

It is an arithmetic number, because the mean of its divisors is an integer number (705138492870).

Almost surely, 2^{7071531742431} is an apocalyptic number.

7071531742431 is a deficient number, since it is larger than the sum of its proper divisors (4210684143489).

7071531742431 is a wasteful number, since it uses less digits than its factorization.

7071531742431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20146814103 (or 20146814097 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 7071531742431 in words is "seven trillion, seventy-one billion, five hundred thirty-one million, seven hundred forty-two thousand, four hundred thirty-one".