31432461002243 has 16 divisors (see below), whose sum is σ = 35953368971520. Its totient is φ = 26919200265696.

The previous prime is 31432461002227. The next prime is 31432461002249. The reversal of 31432461002243 is 34220016423413.

It is a cyclic number.

It is not a de Polignac number, because 31432461002243 - 2⁴ = 31432461002227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31432461002249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46430996 + ... + 47103102.

It is an arithmetic number, because the mean of its divisors is an integer number (2247085560720).

Almost surely, 2^{31432461002243} is an apocalyptic number.

31432461002243 is a deficient number, since it is larger than the sum of its proper divisors (4520907969277).

31432461002243 is a wasteful number, since it uses less digits than its factorization.

31432461002243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677786.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 31432461002243 its reverse (34220016423413), we get a palindrome (65652477425656).

The spelling of 31432461002243 in words is "thirty-one trillion, four hundred thirty-two billion, four hundred sixty-one million, two thousand, two hundred forty-three".