71093232031 has 2 divisors, whose sum is σ = 71093232032. Its totient is φ = 71093232030.

The previous prime is 71093231999. The next prime is 71093232053. The reversal of 71093232031 is 13023239017.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71093232031 - 2⁵ = 71093231999 is a prime.

It is a super-2 number, since 2×71093232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71093231984 and 71093232002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71093232131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35546616015 + 35546616016.

It is an arithmetic number, because the mean of its divisors is an integer number (35546616016).

Almost surely, 2^71093232031 is an apocalyptic number.

71093232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

71093232031 is an equidigital number, since it uses as much as digits as its factorization.

71093232031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 71093232031 in words is "seventy-one billion, ninety-three million, two hundred thirty-two thousand, thirty-one".