31841670147 has 24 divisors (see below), whose sum is σ = 49407662016. Its totient is φ = 18187657488.

The previous prime is 31841670127. The next prime is 31841670193. The reversal of 31841670147 is 74107614813.

It is not a de Polignac number, because 31841670147 - 2¹⁴ = 31841653763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31841670099 and 31841670108.

It is not an unprimeable number, because it can be changed into a prime (31841670127) 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 23 ways as a sum of consecutive naturals, for example, 318748 + ... + 406550.

It is an arithmetic number, because the mean of its divisors is an integer number (2058652584).

Almost surely, 2^31841670147 is an apocalyptic number.

31841670147 is a deficient number, since it is larger than the sum of its proper divisors (17565991869).

31841670147 is a wasteful number, since it uses less digits than its factorization.

31841670147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90287 (or 90280 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 31841670147 in words is "thirty-one billion, eight hundred forty-one million, six hundred seventy thousand, one hundred forty-seven".