31321313023334 has 32 divisors (see below), whose sum is σ = 47443213278720. Its totient is φ = 15507685670400.

The previous prime is 31321313023291. The next prime is 31321313023339. The reversal of 31321313023334 is 43332031312313.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31321313023334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321313023339) 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, 217617074 + ... + 217760954.

It is an arithmetic number, because the mean of its divisors is an integer number (1482600414960).

Almost surely, 2^{31321313023334} is an apocalyptic number.

31321313023334 is a deficient number, since it is larger than the sum of its proper divisors (16121900255386).

31321313023334 is a wasteful number, since it uses less digits than its factorization.

31321313023334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146576.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 31321313023334 its reverse (43332031312313), we get a palindrome (74653344335647).

The spelling of 31321313023334 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred thirteen million, twenty-three thousand, three hundred thirty-four".