31101320002 has 16 divisors (see below), whose sum is σ = 47357769312. Its totient is φ = 15315490080.

The previous prime is 31101319993. The next prime is 31101320009. The reversal of 31101320002 is 20002310113.

It is not an unprimeable number, because it can be changed into a prime (31101320009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 741102 + ... + 781942.

It is an arithmetic number, because the mean of its divisors is an integer number (2959860582).

Almost surely, 2^31101320002 is an apocalyptic number.

31101320002 is a deficient number, since it is larger than the sum of its proper divisors (16256449310).

31101320002 is a wasteful number, since it uses less digits than its factorization.

31101320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46593.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31101320002 its reverse (20002310113), we get a palindrome (51103630115).

The spelling of 31101320002 in words is "thirty-one billion, one hundred one million, three hundred twenty thousand, two".