31443020433214 has 32 divisors (see below), whose sum is σ = 50843842560000. Its totient is φ = 14497517964000.

The previous prime is 31443020433193. The next prime is 31443020433217. The reversal of 31443020433214 is 41233402034413.

It is a self number, because there is not a number n which added to its sum of digits gives 31443020433214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443020433217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224345019 + ... + 224485129.

It is an arithmetic number, because the mean of its divisors is an integer number (1588870080000).

Almost surely, 2^{31443020433214} is an apocalyptic number.

31443020433214 is a deficient number, since it is larger than the sum of its proper divisors (19400822126786).

31443020433214 is a wasteful number, since it uses less digits than its factorization.

31443020433214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148776.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 31443020433214 its reverse (41233402034413), we get a palindrome (72676422467627).

The spelling of 31443020433214 in words is "thirty-one trillion, four hundred forty-three billion, twenty million, four hundred thirty-three thousand, two hundred fourteen".