2134375391231 has 4 divisors (see below), whose sum is σ = 2155097482512. Its totient is φ = 2113653299952.

The previous prime is 2134375391227. The next prime is 2134375391237. The reversal of 2134375391231 is 1321935734312.

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

It is a cyclic number.

It is not a de Polignac number, because 2134375391231 - 2² = 2134375391227 is a prime.

It is a super-2 number, since 2×2134375391231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134375391237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10361045486 + ... + 10361045691.

It is an arithmetic number, because the mean of its divisors is an integer number (538774370628).

Almost surely, 2^{2134375391231} is an apocalyptic number.

2134375391231 is a deficient number, since it is larger than the sum of its proper divisors (20722091281).

2134375391231 is a wasteful number, since it uses less digits than its factorization.

2134375391231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20722091280.

The product of its digits is 408240, while the sum is 44.

The spelling of 2134375391231 in words is "two trillion, one hundred thirty-four billion, three hundred seventy-five million, three hundred ninety-one thousand, two hundred thirty-one".