31013213112182 has 8 divisors (see below), whose sum is σ = 53165508192336. Its totient is φ = 13291377048072.

The previous prime is 31013213112181. The next prime is 31013213112221. The reversal of 31013213112182 is 28121131231013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31013213112182² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013213112181) 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 3 ways as a sum of consecutive naturals, for example, 1107614753993 + ... + 1107614754020.

It is an arithmetic number, because the mean of its divisors is an integer number (6645688524042).

Almost surely, 2^{31013213112182} is an apocalyptic number.

31013213112182 is a deficient number, since it is larger than the sum of its proper divisors (22152295080154).

31013213112182 is a wasteful number, since it uses less digits than its factorization.

31013213112182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215229508022.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 31013213112182 its reverse (28121131231013), we get a palindrome (59134344343195).

The spelling of 31013213112182 in words is "thirty-one trillion, thirteen billion, two hundred thirteen million, one hundred twelve thousand, one hundred eighty-two".