10321213451 has 4 divisors (see below), whose sum is σ = 10928343672. Its totient is φ = 9714083232.

The previous prime is 10321213447. The next prime is 10321213493. The reversal of 10321213451 is 15431212301.

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

It is a cyclic number.

It is not a de Polignac number, because 10321213451 - 2² = 10321213447 is a prime.

It is a super-2 number, since 2×10321213451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321213411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303565085 + ... + 303565118.

It is an arithmetic number, because the mean of its divisors is an integer number (2732085918).

Almost surely, 2^10321213451 is an apocalyptic number.

10321213451 is a deficient number, since it is larger than the sum of its proper divisors (607130221).

10321213451 is an equidigital number, since it uses as much as digits as its factorization.

10321213451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607130220.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 10321213451 its reverse (15431212301), we get a palindrome (25752425752).

The spelling of 10321213451 in words is "ten billion, three hundred twenty-one million, two hundred thirteen thousand, four hundred fifty-one".