2144035345531 has 4 divisors (see below), whose sum is σ = 2213197776064. Its totient is φ = 2074872915000.

The previous prime is 2144035345373. The next prime is 2144035345549. The reversal of 2144035345531 is 1355435304412.

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 2144035345531 - 2⁹ = 2144035345019 is a prime.

It is a super-2 number, since 2×2144035345531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144035345591) 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, 34581215220 + ... + 34581215281.

It is an arithmetic number, because the mean of its divisors is an integer number (553299444016).

Almost surely, 2^{2144035345531} is an apocalyptic number.

2144035345531 is a deficient number, since it is larger than the sum of its proper divisors (69162430533).

2144035345531 is an equidigital number, since it uses as much as digits as its factorization.

2144035345531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69162430532.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 2144035345531 in words is "two trillion, one hundred forty-four billion, thirty-five million, three hundred forty-five thousand, five hundred thirty-one".