47211881306 has 4 divisors (see below), whose sum is σ = 70817821962. Its totient is φ = 23605940652.

The previous prime is 47211881281. The next prime is 47211881317. The reversal of 47211881306 is 60318811274.

47211881306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60318811274 = 2 ⋅30159405637.

It can be written as a sum of positive squares in only one way, i.e., 46188457225 + 1023424081 = 214915^2 + 31991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11802970325 + ... + 11802970328.

Almost surely, 2^47211881306 is an apocalyptic number.

47211881306 is a deficient number, since it is larger than the sum of its proper divisors (23605940656).

47211881306 is a wasteful number, since it uses less digits than its factorization.

47211881306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23605940655.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 47211881306 in words is "forty-seven billion, two hundred eleven million, eight hundred eighty-one thousand, three hundred six".