31140671799 has 4 divisors (see below), whose sum is σ = 41520895736. Its totient is φ = 20760447864.

The previous prime is 31140671747. The next prime is 31140671803. The reversal of 31140671799 is 99717604113.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31140671799 - 2¹⁷ = 31140540727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31140671729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5190111964 + ... + 5190111969.

It is an arithmetic number, because the mean of its divisors is an integer number (10380223934).

Almost surely, 2^31140671799 is an apocalyptic number.

31140671799 is a deficient number, since it is larger than the sum of its proper divisors (10380223937).

31140671799 is a wasteful number, since it uses less digits than its factorization.

31140671799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380223936.

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 31140671799 in words is "thirty-one billion, one hundred forty million, six hundred seventy-one thousand, seven hundred ninety-nine".