2134321031 has 4 divisors (see below), whose sum is σ = 2134954200. Its totient is φ = 2133687864.

The previous prime is 2134321001. The next prime is 2134321067. The reversal of 2134321031 is 1301234312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134321031 is a prime.

It is a super-2 number, since 2×2134321031² = 9110652526737805922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2134320994 and 2134321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134321001) 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, 311501 + ... + 318278.

It is an arithmetic number, because the mean of its divisors is an integer number (533738550).

Almost surely, 2^2134321031 is an apocalyptic number.

2134321031 is a deficient number, since it is larger than the sum of its proper divisors (633169).

2134321031 is an equidigital number, since it uses as much as digits as its factorization.

2134321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633168.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2134321031 is about 46198.7124387682. The cubic root of 2134321031 is about 1287.5178179078.

Adding to 2134321031 its reverse (1301234312), we get a palindrome (3435555343).

The spelling of 2134321031 in words is "two billion, one hundred thirty-four million, three hundred twenty-one thousand, thirty-one".