31000112000031 has 8 divisors (see below), whose sum is σ = 41333679475200. Its totient is φ = 20666642929112.

The previous prime is 31000112000009. The next prime is 31000112000129. The reversal of 31000112000031 is 13000021100013.

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

It is a cyclic number.

It is not a de Polignac number, because 31000112000031 - 2¹⁵ = 31000111967263 is a prime.

It is a super-2 number, since 2×31000112000031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31000111999980 and 31000112000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000112008031) 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, 23862831 + ... + 25128368.

It is an arithmetic number, because the mean of its divisors is an integer number (5166709934400).

Almost surely, 2^{31000112000031} is an apocalyptic number.

31000112000031 is a deficient number, since it is larger than the sum of its proper divisors (10333567475169).

31000112000031 is a wasteful number, since it uses less digits than its factorization.

31000112000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49202125.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 31000112000031 its reverse (13000021100013), we get a palindrome (44000133100044).

The spelling of 31000112000031 in words is "thirty-one trillion, one hundred twelve million, thirty-one", and thus it is an aban number.