10031003421220 has 24 divisors (see below), whose sum is σ = 21069132840504. Its totient is φ = 4011634576896.

The previous prime is 10031003421199. The next prime is 10031003421223. The reversal of 10031003421220 is 2212430013001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2688865330176 + 7342138091044 = 1639776^2 + 2709638^2 .

It is not an unprimeable number, because it can be changed into a prime (10031003421223) 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 7 ways as a sum of consecutive naturals, for example, 47817199 + ... + 48026518.

It is an arithmetic number, because the mean of its divisors is an integer number (877880535021).

Almost surely, 2^{10031003421220} is an apocalyptic number.

10031003421220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031003421220 is an abundant number, since it is smaller than the sum of its proper divisors (11038129419284).

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

10031003421220 is a wasteful number, since it uses less digits than its factorization.

10031003421220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95848959 (or 95848957 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10031003421220 its reverse (2212430013001), we get a palindrome (12243433434221).

The spelling of 10031003421220 in words is "ten trillion, thirty-one billion, three million, four hundred twenty-one thousand, two hundred twenty".