71472137031 has 6 divisors (see below), whose sum is σ = 103237531280. Its totient is φ = 47648091348.

The previous prime is 71472136927. The next prime is 71472137039. The reversal of 71472137031 is 13073127417.

It is a happy number.

It is not a de Polignac number, because 71472137031 - 2⁷ = 71472136903 is a prime.

It is a super-2 number, since 2×71472137031² (a number of 23 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 (71472137039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3970674271 + ... + 3970674288.

Almost surely, 2^71472137031 is an apocalyptic number.

71472137031 is a deficient number, since it is larger than the sum of its proper divisors (31765394249).

71472137031 is a wasteful number, since it uses less digits than its factorization.

71472137031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941348565 (or 7941348562 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 71472137031 in words is "seventy-one billion, four hundred seventy-two million, one hundred thirty-seven thousand, thirty-one".