3131230312118 has 16 divisors (see below), whose sum is σ = 4743708781680. Its totient is φ = 1549996404000.

The previous prime is 3131230312117. The next prime is 3131230312127. The reversal of 3131230312118 is 8112130321313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131230312117) 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, 2111468 + ... + 3274256.

It is an arithmetic number, because the mean of its divisors is an integer number (296481798855).

Almost surely, 2^{3131230312118} is an apocalyptic number.

3131230312118 is a deficient number, since it is larger than the sum of its proper divisors (1612478469562).

3131230312118 is a wasteful number, since it uses less digits than its factorization.

3131230312118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176223.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 3131230312118 in words is "three trillion, one hundred thirty-one billion, two hundred thirty million, three hundred twelve thousand, one hundred eighteen".