80306631 has 6 divisors (see below), whose sum is σ = 115998480. Its totient is φ = 53537748.

The previous prime is 80306621. The next prime is 80306651. The reversal of 80306631 is 13660308.

It is not a de Polignac number, because 80306631 - 2⁹ = 80306119 is a prime.

It is a super-2 number, since 2×80306631² = 12898309965140322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80306595 and 80306604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80306621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4461471 + ... + 4461488.

It is an arithmetic number, because the mean of its divisors is an integer number (19333080).

Almost surely, 2^80306631 is an apocalyptic number.

80306631 is a deficient number, since it is larger than the sum of its proper divisors (35691849).

80306631 is a wasteful number, since it uses less digits than its factorization.

80306631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922965 (or 8922962 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 80306631 is about 8961.3967103348. The cubic root of 80306631 is about 431.4367498674.

Adding to 80306631 its reverse (13660308), we get a palindrome (93966939).

The spelling of 80306631 in words is "eighty million, three hundred six thousand, six hundred thirty-one".