2012177431 has 8 divisors (see below), whose sum is σ = 2195802000. Its totient is φ = 1828669440.

The previous prime is 2012177381. The next prime is 2012177437. The reversal of 2012177431 is 1347712102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012177431 - 2¹⁹ = 2011653143 is a prime.

It is a super-2 number, since 2×2012177431² = 8097716027651519522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012177431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012177437) 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, 9145 + ... + 64093.

It is an arithmetic number, because the mean of its divisors is an integer number (274475250).

Almost surely, 2^2012177431 is an apocalyptic number.

2012177431 is a deficient number, since it is larger than the sum of its proper divisors (183624569).

2012177431 is a wasteful number, since it uses less digits than its factorization.

2012177431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58289.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2012177431 is about 44857.3007547266. The cubic root of 2012177431 is about 1262.4729778355.

Adding to 2012177431 its reverse (1347712102), we get a palindrome (3359889533).

The spelling of 2012177431 in words is "two billion, twelve million, one hundred seventy-seven thousand, four hundred thirty-one".