2031422134405 has 4 divisors (see below), whose sum is σ = 2437706561292. Its totient is φ = 1625137707520.

The previous prime is 2031422134387. The next prime is 2031422134411. The reversal of 2031422134405 is 5044312241302.

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 589727235969 + 1441694898436 = 767937^2 + 1200706^2 .

It is not a de Polignac number, because 2031422134405 - 2⁹ = 2031422133893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203142213436 + ... + 203142213445.

It is an arithmetic number, because the mean of its divisors is an integer number (609426640323).

Almost surely, 2^{2031422134405} is an apocalyptic number.

It is an amenable number.

2031422134405 is a deficient number, since it is larger than the sum of its proper divisors (406284426887).

2031422134405 is an equidigital number, since it uses as much as digits as its factorization.

2031422134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406284426886.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2031422134405 its reverse (5044312241302), we get a palindrome (7075734375707).

The spelling of 2031422134405 in words is "two trillion, thirty-one billion, four hundred twenty-two million, one hundred thirty-four thousand, four hundred five".