31320214010 has 64 divisors (see below), whose sum is σ = 61228721664. Its totient is φ = 11489049600.

The previous prime is 31320214007. The next prime is 31320214031. The reversal of 31320214010 is 1041202313.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 31320214010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3145640 + ... + 3155580.

It is an arithmetic number, because the mean of its divisors is an integer number (956698776).

Almost surely, 2^31320214010 is an apocalyptic number.

31320214010 is a deficient number, since it is larger than the sum of its proper divisors (29908507654).

31320214010 is a wasteful number, since it uses less digits than its factorization.

31320214010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10439.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31320214010 its reverse (1041202313), we get a palindrome (32361416323).

The spelling of 31320214010 in words is "thirty-one billion, three hundred twenty million, two hundred fourteen thousand, ten".