80835100431 has 4 divisors (see below), whose sum is σ = 107780133912. Its totient is φ = 53890066952.

The previous prime is 80835100427. The next prime is 80835100457. The reversal of 80835100431 is 13400153808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80835100431 - 2² = 80835100427 is a prime.

It is a super-2 number, since 2×80835100431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80835100392 and 80835100401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80835100481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13472516736 + ... + 13472516741.

It is an arithmetic number, because the mean of its divisors is an integer number (26945033478).

Almost surely, 2^80835100431 is an apocalyptic number.

80835100431 is a deficient number, since it is larger than the sum of its proper divisors (26945033481).

80835100431 is a wasteful number, since it uses less digits than its factorization.

80835100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26945033480.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 80835100431 in words is "eighty billion, eight hundred thirty-five million, one hundred thousand, four hundred thirty-one".