2031385436 has 12 divisors (see below), whose sum is σ = 3562639080. Its totient is φ = 1013488560.

The previous prime is 2031385393. The next prime is 2031385439. The reversal of 2031385436 is 6345831302.

It is a junction number, because it is equal to n+sod(n) for n = 2031385396 and 2031385405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031385439) 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 3 ways as a sum of consecutive naturals, for example, 548966 + ... + 552653.

It is an arithmetic number, because the mean of its divisors is an integer number (296886590).

Almost surely, 2^2031385436 is an apocalyptic number.

It is an amenable number.

2031385436 is a deficient number, since it is larger than the sum of its proper divisors (1531253644).

2031385436 is a wasteful number, since it uses less digits than its factorization.

2031385436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102084 (or 1102082 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2031385436 is about 45070.8934457705. The cubic root of 2031385436 is about 1266.4774014844.

The spelling of 2031385436 in words is "two billion, thirty-one million, three hundred eighty-five thousand, four hundred thirty-six".