2005201431 has 12 divisors (see below), whose sum is σ = 2898377040. Its totient is φ = 1335889440.

The previous prime is 2005201409. The next prime is 2005201439. The reversal of 2005201431 is 1341025002.

2005201431 is a `hidden beast` number, since 2 + 0 + 0 + 520 + 143 + 1 = 666.

It is not a de Polignac number, because 2005201431 - 2²⁶ = 1938092567 is a prime.

It is a super-2 number, since 2×2005201431² = 8041665557768895522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005201439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61891 + ... + 88548.

It is an arithmetic number, because the mean of its divisors is an integer number (241531420).

Almost surely, 2^2005201431 is an apocalyptic number.

2005201431 is a deficient number, since it is larger than the sum of its proper divisors (893175609).

2005201431 is a wasteful number, since it uses less digits than its factorization.

2005201431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151926 (or 151923 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2005201431 is about 44779.4755552139. The cubic root of 2005201431 is about 1261.0123364667.

Adding to 2005201431 its reverse (1341025002), we get a palindrome (3346226433).

The spelling of 2005201431 in words is "two billion, five million, two hundred one thousand, four hundred thirty-one".