10321402013 has 4 divisors (see below), whose sum is σ = 11115356028. Its totient is φ = 9527448000.

The previous prime is 10321402009. The next prime is 10321402027. The reversal of 10321402013 is 31020412301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3997653529 + 6323748484 = 63227^2 + 79522^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321402013 - 2² = 10321402009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10321401982 and 10321402000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321402073) 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, 396976988 + ... + 396977013.

It is an arithmetic number, because the mean of its divisors is an integer number (2778839007).

Almost surely, 2^10321402013 is an apocalyptic number.

10321402013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10321402013 is a deficient number, since it is larger than the sum of its proper divisors (793954015).

10321402013 is an equidigital number, since it uses as much as digits as its factorization.

10321402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793954014.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10321402013 its reverse (31020412301), we get a palindrome (41341814314).

The spelling of 10321402013 in words is "ten billion, three hundred twenty-one million, four hundred two thousand, thirteen".