31311003320002 has 32 divisors (see below), whose sum is σ = 59824650314880. Its totient is φ = 11964930059520.

The previous prime is 31311003319997. The next prime is 31311003320017. The reversal of 31311003320002 is 20002330011313.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3462070149 + ... + 3462079192.

It is an arithmetic number, because the mean of its divisors is an integer number (1869520322340).

Almost surely, 2^{31311003320002} is an apocalyptic number.

31311003320002 is a deficient number, since it is larger than the sum of its proper divisors (28513646994878).

31311003320002 is a wasteful number, since it uses less digits than its factorization.

31311003320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924149386.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31311003320002 its reverse (20002330011313), we get a palindrome (51313333331315).

The spelling of 31311003320002 in words is "thirty-one trillion, three hundred eleven billion, three million, three hundred twenty thousand, two".