10001420331 has 24 divisors (see below), whose sum is σ = 16424905680. Its totient is φ = 5378913792.

The previous prime is 10001420311. The next prime is 10001420381. The reversal of 10001420331 is 13302410001.

It is not a de Polignac number, because 10001420331 - 2¹¹ = 10001418283 is a prime.

It is a super-2 number, since 2×10001420331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10001420331.

It is not an unprimeable number, because it can be changed into a prime (10001420311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1998586 + ... + 2003583.

It is an arithmetic number, because the mean of its divisors is an integer number (684371070).

Almost surely, 2^10001420331 is an apocalyptic number.

10001420331 is a deficient number, since it is larger than the sum of its proper divisors (6423485349).

10001420331 is a wasteful number, since it uses less digits than its factorization.

10001420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002203 (or 4002196 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10001420331 its reverse (13302410001), we get a palindrome (23303830332).

The spelling of 10001420331 in words is "ten billion, one million, four hundred twenty thousand, three hundred thirty-one".