10221330431 has 16 divisors (see below), whose sum is σ = 11046168000. Its totient is φ = 9402075648.

The previous prime is 10221330409. The next prime is 10221330439. The reversal of 10221330431 is 13403312201.

It is a cyclic number.

It is not a de Polignac number, because 10221330431 - 2⁶ = 10221330367 is a prime.

It is a super-2 number, since 2×10221330431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221330439) 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, 7305470 + ... + 7306868.

It is an arithmetic number, because the mean of its divisors is an integer number (690385500).

Almost surely, 2^10221330431 is an apocalyptic number.

10221330431 is a deficient number, since it is larger than the sum of its proper divisors (824837569).

10221330431 is a wasteful number, since it uses less digits than its factorization.

10221330431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10221330431 its reverse (13403312201), we get a palindrome (23624642632).

The spelling of 10221330431 in words is "ten billion, two hundred twenty-one million, three hundred thirty thousand, four hundred thirty-one".