31320433014 has 96 divisors (see below), whose sum is σ = 68797693440. Its totient is φ = 9500414976.

The previous prime is 31320433013. The next prime is 31320433031. The reversal of 31320433014 is 41033402313.

It is a super-2 number, since 2×31320433014² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320433013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35310079 + ... + 35310965.

It is an arithmetic number, because the mean of its divisors is an integer number (716642640).

Almost surely, 2^31320433014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31320433014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34398846720).

31320433014 is an abundant number, since it is smaller than the sum of its proper divisors (37477260426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31320433014 is a wasteful number, since it uses less digits than its factorization.

31320433014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31320433014 its reverse (41033402313), we get a palindrome (72353835327).

The spelling of 31320433014 in words is "thirty-one billion, three hundred twenty million, four hundred thirty-three thousand, fourteen".