10001420031331 has 4 divisors (see below), whose sum is σ = 10190126069712. Its totient is φ = 9812713992952.

The previous prime is 10001420031329. The next prime is 10001420031353. The reversal of 10001420031331 is 13313002410001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10001420031331 - 2¹ = 10001420031329 is a prime.

It is a super-2 number, since 2×10001420031331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001420031299 and 10001420031308.

It is not an unprimeable number, because it can be changed into a prime (10001420031371) 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 3 ways as a sum of consecutive naturals, for example, 94353019111 + ... + 94353019216.

It is an arithmetic number, because the mean of its divisors is an integer number (2547531517428).

Almost surely, 2^{10001420031331} is an apocalyptic number.

10001420031331 is a deficient number, since it is larger than the sum of its proper divisors (188706038381).

10001420031331 is an equidigital number, since it uses as much as digits as its factorization.

10001420031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188706038380.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10001420031331 its reverse (13313002410001), we get a palindrome (23314422441332).

The spelling of 10001420031331 in words is "ten trillion, one billion, four hundred twenty million, thirty-one thousand, three hundred thirty-one".