947031249211 has 4 divisors (see below), whose sum is σ = 947033241712. Its totient is φ = 947029256712.

The previous prime is 947031249103. The next prime is 947031249239. The reversal of 947031249211 is 112942130749.

It is a happy number.

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 947031249211 - 2¹³ = 947031241019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947031249271) 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, 178225 + ... + 1387741.

It is an arithmetic number, because the mean of its divisors is an integer number (236758310428).

Almost surely, 2^947031249211 is an apocalyptic number.

947031249211 is a deficient number, since it is larger than the sum of its proper divisors (1992501).

947031249211 is a wasteful number, since it uses less digits than its factorization.

947031249211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992500.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 947031249211 in words is "nine hundred forty-seven billion, thirty-one million, two hundred forty-nine thousand, two hundred eleven".