10343145021 has 16 divisors (see below), whose sum is σ = 15065533440. Its totient is φ = 6259839920.

The previous prime is 10343145013. The next prime is 10343145023. The reversal of 10343145021 is 12054134301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10343145021 - 2³ = 10343145013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10343144982 and 10343145000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10343145023) 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, 194235 + ... + 241688.

It is an arithmetic number, because the mean of its divisors is an integer number (941595840).

Almost surely, 2^10343145021 is an apocalyptic number.

10343145021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10343145021 is a deficient number, since it is larger than the sum of its proper divisors (4722388419).

10343145021 is a wasteful number, since it uses less digits than its factorization.

10343145021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436656.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 10343145021 its reverse (12054134301), we get a palindrome (22397279322).

The spelling of 10343145021 in words is "ten billion, three hundred forty-three million, one hundred forty-five thousand, twenty-one".