10001311313421 has 4 divisors (see below), whose sum is σ = 13335081751232. Its totient is φ = 6667540875612.

The previous prime is 10001311313407. The next prime is 10001311313531. The reversal of 10001311313421 is 12431311310001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10001311313421 - 2¹³ = 10001311305229 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 (10001311313821) 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, 1666885218901 + ... + 1666885218906.

It is an arithmetic number, because the mean of its divisors is an integer number (3333770437808).

Almost surely, 2^{10001311313421} is an apocalyptic number.

It is an amenable number.

10001311313421 is a deficient number, since it is larger than the sum of its proper divisors (3333770437811).

10001311313421 is an equidigital number, since it uses as much as digits as its factorization.

10001311313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333770437810.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10001311313421 its reverse (12431311310001), we get a palindrome (22432622623422).

The spelling of 10001311313421 in words is "ten trillion, one billion, three hundred eleven million, three hundred thirteen thousand, four hundred twenty-one".