2031134103421 has 4 divisors (see below), whose sum is σ = 2080673959644. Its totient is φ = 1981594247200.

The previous prime is 2031134103307. The next prime is 2031134103443. The reversal of 2031134103421 is 1243014311302.

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 374649271396 + 1656484832025 = 612086^2 + 1287045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031134103421 - 2¹³ = 2031134095229 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 (2031134103491) 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, 24769928050 + ... + 24769928131.

It is an arithmetic number, because the mean of its divisors is an integer number (520168489911).

Almost surely, 2^{2031134103421} is an apocalyptic number.

It is an amenable number.

2031134103421 is a deficient number, since it is larger than the sum of its proper divisors (49539856223).

2031134103421 is an equidigital number, since it uses as much as digits as its factorization.

2031134103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49539856222.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2031134103421 its reverse (1243014311302), we get a palindrome (3274148414723).

The spelling of 2031134103421 in words is "two trillion, thirty-one billion, one hundred thirty-four million, one hundred three thousand, four hundred twenty-one".