31234131224 has 16 divisors (see below), whose sum is σ = 59143839120. Its totient is φ = 15462440800.

The previous prime is 31234131223. The next prime is 31234131281. The reversal of 31234131224 is 42213143213.

It is a super-3 number, since 3×31234131224³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31234131193 and 31234131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234131223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19327244 + ... + 19328859.

It is an arithmetic number, because the mean of its divisors is an integer number (3696489945).

Almost surely, 2^31234131224 is an apocalyptic number.

It is an amenable number.

31234131224 is a deficient number, since it is larger than the sum of its proper divisors (27909707896).

31234131224 is a wasteful number, since it uses less digits than its factorization.

31234131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38656210 (or 38656206 counting only the distinct ones).

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

Adding to 31234131224 its reverse (42213143213), we get a palindrome (73447274437).

The spelling of 31234131224 in words is "thirty-one billion, two hundred thirty-four million, one hundred thirty-one thousand, two hundred twenty-four".