31112124423 has 32 divisors (see below), whose sum is σ = 43007956992. Its totient is φ = 19992460800.

The previous prime is 31112124383. The next prime is 31112124469. The reversal of 31112124423 is 32442121113.

It is not a de Polignac number, because 31112124423 - 2¹² = 31112120327 is a prime.

It is a super-2 number, since 2×31112124423² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31112124393 and 31112124402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112124493) 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 in 31 ways as a sum of consecutive naturals, for example, 3750186 + ... + 3758472.

It is an arithmetic number, because the mean of its divisors is an integer number (1343998656).

Almost surely, 2^31112124423 is an apocalyptic number.

31112124423 is a deficient number, since it is larger than the sum of its proper divisors (11895832569).

31112124423 is a wasteful number, since it uses less digits than its factorization.

31112124423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695.

The product of its digits is 1152, while the sum is 24.

Adding to 31112124423 its reverse (32442121113), we get a palindrome (63554245536).

The spelling of 31112124423 in words is "thirty-one billion, one hundred twelve million, one hundred twenty-four thousand, four hundred twenty-three".