80431511234 has 4 divisors (see below), whose sum is σ = 120647266854. Its totient is φ = 40215755616.

The previous prime is 80431511233. The next prime is 80431511263. The reversal of 80431511234 is 43211513408.

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

It can be written as a sum of positive squares in only one way, i.e., 72281935609 + 8149575625 = 268853^2 + 90275^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80431511234.

It is not an unprimeable number, because it can be changed into a prime (80431511233) 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, 20107877807 + ... + 20107877810.

Almost surely, 2^80431511234 is an apocalyptic number.

80431511234 is a deficient number, since it is larger than the sum of its proper divisors (40215755620).

80431511234 is a wasteful number, since it uses less digits than its factorization.

80431511234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40215755619.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 80431511234 in words is "eighty billion, four hundred thirty-one million, five hundred eleven thousand, two hundred thirty-four".