2134431110321 has 4 divisors (see below), whose sum is σ = 2134438720512. Its totient is φ = 2134423500132.

The previous prime is 2134431110311. The next prime is 2134431110327. The reversal of 2134431110321 is 1230111344312.

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-2134431110321 is a prime.

It is a super-2 number, since 2×2134431110321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2134431110327) 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, 3367625 + ... + 3950918.

It is an arithmetic number, because the mean of its divisors is an integer number (533609680128).

Almost surely, 2^{2134431110321} is an apocalyptic number.

It is an amenable number.

2134431110321 is a deficient number, since it is larger than the sum of its proper divisors (7610191).

2134431110321 is an equidigital number, since it uses as much as digits as its factorization.

2134431110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610190.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2134431110321 its reverse (1230111344312), we get a palindrome (3364542454633).

The spelling of 2134431110321 in words is "two trillion, one hundred thirty-four billion, four hundred thirty-one million, one hundred ten thousand, three hundred twenty-one".