31675045247 has 8 divisors (see below), whose sum is σ = 31771259520. Its totient is φ = 31578971040.

The previous prime is 31675045219. The next prime is 31675045249. The reversal of 31675045247 is 74254057613.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31675045247 - 2⁶ = 31675045183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31675045198 and 31675045207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31675045249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427154 + ... + 495792.

It is an arithmetic number, because the mean of its divisors is an integer number (3971407440).

Almost surely, 2^31675045247 is an apocalyptic number.

31675045247 is a deficient number, since it is larger than the sum of its proper divisors (96214273).

31675045247 is an equidigital number, since it uses as much as digits as its factorization.

31675045247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70033.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 31675045247 in words is "thirty-one billion, six hundred seventy-five million, forty-five thousand, two hundred forty-seven".