80017731231 has 8 divisors (see below), whose sum is σ = 107726136960. Its totient is φ = 52827239832.

The previous prime is 80017731181. The next prime is 80017731257. The reversal of 80017731231 is 13213771008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80017731231 - 2²² = 80013536927 is a prime.

It is a super-2 number, since 2×80017731231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80017731192 and 80017731201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80017731281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129478221 + ... + 129478838.

It is an arithmetic number, because the mean of its divisors is an integer number (13465767120).

Almost surely, 2^80017731231 is an apocalyptic number.

80017731231 is a deficient number, since it is larger than the sum of its proper divisors (27708405729).

80017731231 is a wasteful number, since it uses less digits than its factorization.

80017731231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258957165.

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 80017731231 in words is "eighty billion, seventeen million, seven hundred thirty-one thousand, two hundred thirty-one".