31146047001 has 12 divisors (see below), whose sum is σ = 45214811200. Its totient is φ = 20659688280.

The previous prime is 31146046999. The next prime is 31146047017. The reversal of 31146047001 is 10074064113.

It is a happy number.

It is not a de Polignac number, because 31146047001 - 2¹ = 31146046999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31146047041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8693365 + ... + 8696946.

Almost surely, 2^31146047001 is an apocalyptic number.

It is an amenable number.

31146047001 is a deficient number, since it is larger than the sum of its proper divisors (14068764199).

31146047001 is a wasteful number, since it uses less digits than its factorization.

31146047001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390516 (or 17390513 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 31146047001 in words is "thirty-one billion, one hundred forty-six million, forty-seven thousand, one".