3131112220202 has 16 divisors (see below), whose sum is σ = 4719806703360. Its totient is φ = 1557849501312.

The previous prime is 3131112220193. The next prime is 3131112220219. The reversal of 3131112220202 is 2020222111313.

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 7 ways as a sum of consecutive naturals, for example, 530552 + ... + 2558067.

It is an arithmetic number, because the mean of its divisors is an integer number (294987918960).

Almost surely, 2^{3131112220202} is an apocalyptic number.

3131112220202 is a deficient number, since it is larger than the sum of its proper divisors (1588694483158).

3131112220202 is a wasteful number, since it uses less digits than its factorization.

3131112220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091117.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3131112220202 its reverse (2020222111313), we get a palindrome (5151334331515).

The spelling of 3131112220202 in words is "three trillion, one hundred thirty-one billion, one hundred twelve million, two hundred twenty thousand, two hundred two".