231080670518 has 32 divisors (see below), whose sum is σ = 361583937792. Its totient is φ = 110634854400.

The previous prime is 231080670511. The next prime is 231080670539. The reversal of 231080670518 is 815076080132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231080670511) 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 15 ways as a sum of consecutive naturals, for example, 4126748 + ... + 4182368.

It is an arithmetic number, because the mean of its divisors is an integer number (11299498056).

Almost surely, 2^231080670518 is an apocalyptic number.

231080670518 is a deficient number, since it is larger than the sum of its proper divisors (130503267274).

231080670518 is a wasteful number, since it uses less digits than its factorization.

231080670518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56360.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 231080670518 in words is "two hundred thirty-one billion, eighty million, six hundred seventy thousand, five hundred eighteen".