2012071731 has 8 divisors (see below), whose sum is σ = 2708808960. Its totient is φ = 1328357832.

The previous prime is 2012071693. The next prime is 2012071741. The reversal of 2012071731 is 1371702102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012071731 - 2⁶ = 2012071667 is a prime.

It is a super-2 number, since 2×2012071731² = 8096865301378672722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012071741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3255471 + ... + 3256088.

It is an arithmetic number, because the mean of its divisors is an integer number (338601120).

Almost surely, 2^2012071731 is an apocalyptic number.

2012071731 is a deficient number, since it is larger than the sum of its proper divisors (696737229).

2012071731 is a wasteful number, since it uses less digits than its factorization.

2012071731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511665.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 2012071731 is about 44856.1225586876. The cubic root of 2012071731 is about 1262.4508714798.

Adding to 2012071731 its reverse (1371702102), we get a palindrome (3383773833).

The spelling of 2012071731 in words is "two billion, twelve million, seventy-one thousand, seven hundred thirty-one".