2013031033421 has 4 divisors (see below), whose sum is σ = 2118980035200. Its totient is φ = 1907082031644.

The previous prime is 2013031033399. The next prime is 2013031033463. The reversal of 2013031033421 is 1243301303102.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013031033421 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 (2013031003421) 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, 52974500861 + ... + 52974500898.

It is an arithmetic number, because the mean of its divisors is an integer number (529745008800).

Almost surely, 2^{2013031033421} is an apocalyptic number.

It is an amenable number.

2013031033421 is a deficient number, since it is larger than the sum of its proper divisors (105949001779).

2013031033421 is a wasteful number, since it uses less digits than its factorization.

2013031033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105949001778.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2013031033421 its reverse (1243301303102), we get a palindrome (3256332336523).

The spelling of 2013031033421 in words is "two trillion, thirteen billion, thirty-one million, thirty-three thousand, four hundred twenty-one".