10321364631 has 4 divisors (see below), whose sum is σ = 13761819512. Its totient is φ = 6880909752.

The previous prime is 10321364593. The next prime is 10321364663. The reversal of 10321364631 is 13646312301.

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

It is not a de Polignac number, because 10321364631 - 2²² = 10317170327 is a prime.

It is a super-2 number, since 2×10321364631² (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 (10321364681) 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, 1720227436 + ... + 1720227441.

It is an arithmetic number, because the mean of its divisors is an integer number (3440454878).

Almost surely, 2^10321364631 is an apocalyptic number.

10321364631 is a deficient number, since it is larger than the sum of its proper divisors (3440454881).

10321364631 is an equidigital number, since it uses as much as digits as its factorization.

10321364631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440454880.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 10321364631 its reverse (13646312301), we get a palindrome (23967676932).

The spelling of 10321364631 in words is "ten billion, three hundred twenty-one million, three hundred sixty-four thousand, six hundred thirty-one".