80148641931 has 12 divisors (see below), whose sum is σ = 117954605808. Its totient is φ = 52424268624.

The previous prime is 80148641927. The next prime is 80148641941. The reversal of 80148641931 is 13914684108.

80148641931 is a `hidden beast` number, since 80 + 1 + 486 + 4 + 1 + 93 + 1 = 666.

It is not a de Polignac number, because 80148641931 - 2² = 80148641927 is a prime.

It is a super-2 number, since 2×80148641931² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80148641941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84012775 + ... + 84013728.

It is an arithmetic number, because the mean of its divisors is an integer number (9829550484).

Almost surely, 2^80148641931 is an apocalyptic number.

80148641931 is a deficient number, since it is larger than the sum of its proper divisors (37805963877).

80148641931 is a wasteful number, since it uses less digits than its factorization.

80148641931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168026562 (or 168026559 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 80148641931 in words is "eighty billion, one hundred forty-eight million, six hundred forty-one thousand, nine hundred thirty-one".