2012231431 has 8 divisors (see below), whose sum is σ = 2299998240. Its totient is φ = 1724540928.

The previous prime is 2012231411. The next prime is 2012231437. The reversal of 2012231431 is 1341322102.

It is a happy number.

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 2012231431 - 2⁵ = 2012231399 is a prime.

It is a super-2 number, since 2×2012231431² = 8098150663808615522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012231399 and 2012231408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012231437) 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, 58455 + ... + 86263.

It is an arithmetic number, because the mean of its divisors is an integer number (287499780).

Almost surely, 2^2012231431 is an apocalyptic number.

2012231431 is a deficient number, since it is larger than the sum of its proper divisors (287766809).

2012231431 is a wasteful number, since it uses less digits than its factorization.

2012231431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38153.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2012231431 is about 44857.9026593977. The cubic root of 2012231431 is about 1262.4842712284.

Adding to 2012231431 its reverse (1341322102), we get a palindrome (3353553533).

The spelling of 2012231431 in words is "two billion, twelve million, two hundred thirty-one thousand, four hundred thirty-one".