10401220331 has 16 divisors (see below), whose sum is σ = 11402991360. Its totient is φ = 9452388960.

The previous prime is 10401220321. The next prime is 10401220441. The reversal of 10401220331 is 13302210401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10401220331 is a prime.

It is a super-2 number, since 2×10401220331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10401220321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54281 + ... + 154106.

It is an arithmetic number, because the mean of its divisors is an integer number (712686960).

Almost surely, 2^10401220331 is an apocalyptic number.

10401220331 is a deficient number, since it is larger than the sum of its proper divisors (1001771029).

10401220331 is a wasteful number, since it uses less digits than its factorization.

10401220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208514.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10401220331 its reverse (13302210401), we get a palindrome (23703430732).

The spelling of 10401220331 in words is "ten billion, four hundred one million, two hundred twenty thousand, three hundred thirty-one".