80311156331 has 8 divisors (see below), whose sum is σ = 94022817504. Its totient is φ = 67159154880.

The previous prime is 80311156279. The next prime is 80311156349. The reversal of 80311156331 is 13365111308.

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

It is a cyclic number.

It is not a de Polignac number, because 80311156331 - 2¹⁸ = 80310894187 is a prime.

It is a super-2 number, since 2×80311156331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80311956331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139914620 + ... + 139915193.

It is an arithmetic number, because the mean of its divisors is an integer number (11752852188).

Almost surely, 2^80311156331 is an apocalyptic number.

80311156331 is a deficient number, since it is larger than the sum of its proper divisors (13711661173).

80311156331 is a wasteful number, since it uses less digits than its factorization.

80311156331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279829861.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 80311156331 its reverse (13365111308), we get a palindrome (93676267639).

The spelling of 80311156331 in words is "eighty billion, three hundred eleven million, one hundred fifty-six thousand, three hundred thirty-one".