71231413043245 has 48 divisors (see below), whose sum is σ = 107477086042368. Its totient is φ = 44920762427520.

The previous prime is 71231413043233. The next prime is 71231413043267. The reversal of 71231413043245 is 54234031413217.

It is not a de Polignac number, because 71231413043245 - 2²³ = 71231404654637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71231413043198 and 71231413043207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40400059 + ... + 42126328.

It is an arithmetic number, because the mean of its divisors is an integer number (2239105959216).

Almost surely, 2^{71231413043245} is an apocalyptic number.

It is an amenable number.

71231413043245 is a deficient number, since it is larger than the sum of its proper divisors (36245672999123).

71231413043245 is a wasteful number, since it uses less digits than its factorization.

71231413043245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82526690 (or 82526683 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 71231413043245 in words is "seventy-one trillion, two hundred thirty-one billion, four hundred thirteen million, forty-three thousand, two hundred forty-five".