10240331421 has 32 divisors (see below), whose sum is σ = 14187358080. Its totient is φ = 6565248000.

The previous prime is 10240331417. The next prime is 10240331441. The reversal of 10240331421 is 12413304201.

It is not a de Polignac number, because 10240331421 - 2² = 10240331417 is a prime.

It is a super-2 number, since 2×10240331421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240331441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6134775 + ... + 6136443.

It is an arithmetic number, because the mean of its divisors is an integer number (443354940).

Almost surely, 2^10240331421 is an apocalyptic number.

It is an amenable number.

10240331421 is a deficient number, since it is larger than the sum of its proper divisors (3947026659).

10240331421 is a wasteful number, since it uses less digits than its factorization.

10240331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10240331421 its reverse (12413304201), we get a palindrome (22653635622).

The spelling of 10240331421 in words is "ten billion, two hundred forty million, three hundred thirty-one thousand, four hundred twenty-one".