31031420032124 has 6 divisors (see below), whose sum is σ = 54304985056224. Its totient is φ = 15515710016060.

The previous prime is 31031420032117. The next prime is 31031420032127. The reversal of 31031420032124 is 42123002413013.

It is a junction number, because it is equal to n+sod(n) for n = 31031420032093 and 31031420032102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031420032127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3878927504012 + ... + 3878927504019.

It is an arithmetic number, because the mean of its divisors is an integer number (9050830842704).

Almost surely, 2^{31031420032124} is an apocalyptic number.

It is an amenable number.

31031420032124 is a deficient number, since it is larger than the sum of its proper divisors (23273565024100).

31031420032124 is a wasteful number, since it uses less digits than its factorization.

31031420032124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757855008035 (or 7757855008033 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31031420032124 its reverse (42123002413013), we get a palindrome (73154422445137).

The spelling of 31031420032124 in words is "thirty-one trillion, thirty-one billion, four hundred twenty million, thirty-two thousand, one hundred twenty-four".