47211236330731 has 4 divisors (see below), whose sum is σ = 51503166906264. Its totient is φ = 42919305755200.

The previous prime is 47211236330689. The next prime is 47211236330747. The reversal of 47211236330731 is 13703363211274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47211236330731 is a prime.

It is a super-2 number, since 2×47211236330731² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47211236330231) 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, 2145965287750 + ... + 2145965287771.

It is an arithmetic number, because the mean of its divisors is an integer number (12875791726566).

Almost surely, 2^{47211236330731} is an apocalyptic number.

47211236330731 is a deficient number, since it is larger than the sum of its proper divisors (4291930575533).

47211236330731 is a wasteful number, since it uses less digits than its factorization.

47211236330731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291930575532.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 47211236330731 in words is "forty-seven trillion, two hundred eleven billion, two hundred thirty-six million, three hundred thirty thousand, seven hundred thirty-one".