31234424121245 has 8 divisors (see below), whose sum is σ = 37484103844320. Its totient is φ = 24985676031120.

The previous prime is 31234424121221. The next prime is 31234424121259. The reversal of 31234424121245 is 54212142443213.

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

It is not a de Polignac number, because 31234424121245 - 2²⁰ = 31234423072669 is a prime.

It is a super-2 number, since 2×31234424121245² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31234424121199 and 31234424121208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232834475 + ... + 232968584.

It is an arithmetic number, because the mean of its divisors is an integer number (4685512980540).

Almost surely, 2^{31234424121245} is an apocalyptic number.

It is an amenable number.

31234424121245 is a deficient number, since it is larger than the sum of its proper divisors (6249679723075).

31234424121245 is a wasteful number, since it uses less digits than its factorization.

31234424121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465816475.

The product of its digits is 184320, while the sum is 38.

Adding to 31234424121245 its reverse (54212142443213), we get a palindrome (85446566564458).

The spelling of 31234424121245 in words is "thirty-one trillion, two hundred thirty-four billion, four hundred twenty-four million, one hundred twenty-one thousand, two hundred forty-five".