31432214243 has 12 divisors (see below), whose sum is σ = 33497388912. Its totient is φ = 29488053120.

The previous prime is 31432214237. The next prime is 31432214257. The reversal of 31432214243 is 34241223413.

It is not a de Polignac number, because 31432214243 - 2⁴ = 31432214227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31432214263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84980 + ... + 264737.

It is an arithmetic number, because the mean of its divisors is an integer number (2791449076).

Almost surely, 2^31432214243 is an apocalyptic number.

31432214243 is a deficient number, since it is larger than the sum of its proper divisors (2065174669).

31432214243 is a wasteful number, since it uses less digits than its factorization.

31432214243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350062 (or 350045 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 31432214243 its reverse (34241223413), we get a palindrome (65673437656).

The spelling of 31432214243 in words is "thirty-one billion, four hundred thirty-two million, two hundred fourteen thousand, two hundred forty-three".