2281431947 has 8 divisors (see below), whose sum is σ = 2293413696. Its totient is φ = 2269467592.

The previous prime is 2281431931. The next prime is 2281431953. The reversal of 2281431947 is 7491341822.

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 2281431947 - 2⁴ = 2281431931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2281481947) 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, 320408 + ... + 327450.

It is an arithmetic number, because the mean of its divisors is an integer number (286676712).

Almost surely, 2^2281431947 is an apocalyptic number.

2281431947 is a deficient number, since it is larger than the sum of its proper divisors (11981749).

2281431947 is a wasteful number, since it uses less digits than its factorization.

2281431947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697.

The product of its digits is 96768, while the sum is 41.

The square root of 2281431947 is about 47764.3376066287. The cubic root of 2281431947 is about 1316.4443539913. Note that the first 3 decimals are identical.

The spelling of 2281431947 in words is "two billion, two hundred eighty-one million, four hundred thirty-one thousand, nine hundred forty-seven".