31120031320010 has 8 divisors (see below), whose sum is σ = 56016056376036. Its totient is φ = 12448012528000.

The previous prime is 31120031319991. The next prime is 31120031320039. The reversal of 31120031320010 is 1002313002113.

It can be written as a sum of positive squares in 2 ways, for example, as 25241108546809 + 5878922773201 = 5024053^2 + 2424649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556001565991 + ... + 1556001566010.

Almost surely, 2^{31120031320010} is an apocalyptic number.

31120031320010 is a deficient number, since it is larger than the sum of its proper divisors (24896025056026).

31120031320010 is a wasteful number, since it uses less digits than its factorization.

31120031320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112003132008.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31120031320010 its reverse (1002313002113), we get a palindrome (32122344322123).

The spelling of 31120031320010 in words is "thirty-one trillion, one hundred twenty billion, thirty-one million, three hundred twenty thousand, ten".