7047216331 has 4 divisors (see below), whose sum is σ = 7197157152. Its totient is φ = 6897275512.

The previous prime is 7047216301. The next prime is 7047216347. The reversal of 7047216331 is 1336127407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7047216331 - 2⁷ = 7047216203 is a prime.

It is a super-2 number, since 2×7047216331² = 99326516031826203122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7047216301) 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, 74970340 + ... + 74970433.

It is an arithmetic number, because the mean of its divisors is an integer number (1799289288).

Almost surely, 2^7047216331 is an apocalyptic number.

7047216331 is a deficient number, since it is larger than the sum of its proper divisors (149940821).

7047216331 is a wasteful number, since it uses less digits than its factorization.

7047216331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149940820.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 7047216331 is about 83947.6999744484. The cubic root of 7047216331 is about 1917.2225766168. Note that the first 3 decimals are identical.

The spelling of 7047216331 in words is "seven billion, forty-seven million, two hundred sixteen thousand, three hundred thirty-one".