4031120223956 has 24 divisors (see below), whose sum is σ = 8062303441920. Its totient is φ = 1727609454432.

The previous prime is 4031120223943. The next prime is 4031120223971. The reversal of 4031120223956 is 6593220211304.

It is a happy number.

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, 3634550 + ... + 4612178.

It is an arithmetic number, because the mean of its divisors is an integer number (335929310080).

Almost surely, 2^{4031120223956} is an apocalyptic number.

It is an amenable number.

4031120223956 is an abundant number, since it is smaller than the sum of its proper divisors (4031183217964).

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

4031120223956 is a wasteful number, since it uses less digits than its factorization.

4031120223956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124903 (or 1124901 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 4031120223956 in words is "four trillion, thirty-one billion, one hundred twenty million, two hundred twenty-three thousand, nine hundred fifty-six".