31123343412024 has 32 divisors (see below), whose sum is σ = 81903535296000. Its totient is φ = 9828424235232.

The previous prime is 31123343412017. The next prime is 31123343412079. The reversal of 31123343412024 is 42021434332113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34126472584 + ... + 34126473495.

It is an arithmetic number, because the mean of its divisors is an integer number (2559485478000).

Almost surely, 2^{31123343412024} is an apocalyptic number.

It is an amenable number.

31123343412024 is an abundant number, since it is smaller than the sum of its proper divisors (50780191883976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31123343412024 is a wasteful number, since it uses less digits than its factorization.

31123343412024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68252946107 (or 68252946103 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31123343412024 its reverse (42021434332113), we get a palindrome (73144777744137).

The spelling of 31123343412024 in words is "thirty-one trillion, one hundred twenty-three billion, three hundred forty-three million, four hundred twelve thousand, twenty-four".