31422432034243 has 16 divisors (see below), whose sum is σ = 33802285962816. Its totient is φ = 29136388469760.

The previous prime is 31422432034237. The next prime is 31422432034313. The reversal of 31422432034243 is 34243023422413.

It is a cyclic number.

It is not a de Polignac number, because 31422432034243 - 2⁵ = 31422432034211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31422432034223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105972246 + ... + 106268347.

It is an arithmetic number, because the mean of its divisors is an integer number (2112642872676).

Almost surely, 2^{31422432034243} is an apocalyptic number.

31422432034243 is a deficient number, since it is larger than the sum of its proper divisors (2379853928573).

31422432034243 is a wasteful number, since it uses less digits than its factorization.

31422432034243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212240814.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 31422432034243 its reverse (34243023422413), we get a palindrome (65665455456656).

The spelling of 31422432034243 in words is "thirty-one trillion, four hundred twenty-two billion, four hundred thirty-two million, thirty-four thousand, two hundred forty-three".