10313235421 has 4 divisors (see below), whose sum is σ = 10313584092. Its totient is φ = 10312886752.

The previous prime is 10313235409. The next prime is 10313235433. The reversal of 10313235421 is 12453231301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10313235409) and next prime (10313235433).

It can be written as a sum of positive squares in 2 ways, for example, as 2389743225 + 7923492196 = 48885^2 + 89014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313235421 - 2⁵ = 10313235389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313235481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125386 + ... + 190651.

It is an arithmetic number, because the mean of its divisors is an integer number (2578396023).

Almost surely, 2^10313235421 is an apocalyptic number.

It is an amenable number.

10313235421 is a deficient number, since it is larger than the sum of its proper divisors (348671).

10313235421 is an equidigital number, since it uses as much as digits as its factorization.

10313235421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348670.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10313235421 its reverse (12453231301), we get a palindrome (22766466722).

The spelling of 10313235421 in words is "ten billion, three hundred thirteen million, two hundred thirty-five thousand, four hundred twenty-one".