71045572354031 has 16 divisors (see below), whose sum is σ = 84281262890400. Its totient is φ = 59144745876480.

The previous prime is 71045572354013. The next prime is 71045572354087. The reversal of 71045572354031 is 13045327554017.

It is not a de Polignac number, because 71045572354031 - 2⁶ = 71045572353967 is a prime.

It is a super-2 number, since 2×71045572354031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71045572354231) 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, 5134085606 + ... + 5134099443.

It is an arithmetic number, because the mean of its divisors is an integer number (5267578930650).

Almost surely, 2^{71045572354031} is an apocalyptic number.

71045572354031 is a deficient number, since it is larger than the sum of its proper divisors (13235690536369).

71045572354031 is a wasteful number, since it uses less digits than its factorization.

71045572354031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268185114.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 71045572354031 in words is "seventy-one trillion, forty-five billion, five hundred seventy-two million, three hundred fifty-four thousand, thirty-one".