2031147347 has 4 divisors (see below), whose sum is σ = 2074363296. Its totient is φ = 1987931400.

The previous prime is 2031147343. The next prime is 2031147359. The reversal of 2031147347 is 7437411302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7437411302 = 2 ⋅3718705651.

It is a cyclic number.

It is not a de Polignac number, because 2031147347 - 2² = 2031147343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031147343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21607904 + ... + 21607997.

It is an arithmetic number, because the mean of its divisors is an integer number (518590824).

Almost surely, 2^2031147347 is an apocalyptic number.

2031147347 is a deficient number, since it is larger than the sum of its proper divisors (43215949).

2031147347 is an equidigital number, since it uses as much as digits as its factorization.

2031147347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43215948.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 2031147347 is about 45068.2520961264. The cubic root of 2031147347 is about 1266.4279202923.

Adding to 2031147347 its reverse (7437411302), we get a palindrome (9468558649).

The spelling of 2031147347 in words is "two billion, thirty-one million, one hundred forty-seven thousand, three hundred forty-seven".