80311963 has 8 divisors (see below), whose sum is σ = 81536400. Its totient is φ = 79096608.

The previous prime is 80311943. The next prime is 80311969. The reversal of 80311963 is 36911308.

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 80311963 - 2¹³ = 80303771 is a prime.

It is a super-2 number, since 2×80311963² = 12900022801826738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80311969) 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, 16728 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (10192050).

Almost surely, 2^80311963 is an apocalyptic number.

80311963 is a deficient number, since it is larger than the sum of its proper divisors (1224437).

80311963 is a wasteful number, since it uses less digits than its factorization.

80311963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 80311963 is about 8961.6942036648. The cubic root of 80311963 is about 431.4462981443.

The spelling of 80311963 in words is "eighty million, three hundred eleven thousand, nine hundred sixty-three".