311131032002 has 48 divisors (see below), whose sum is σ = 566673786432. Its totient is φ = 127504349280.

The previous prime is 311131032001. The next prime is 311131032011. The reversal of 311131032002 is 200230131113.

It is not an unprimeable number, because it can be changed into a prime (311131032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7781153 + ... + 7821035.

It is an arithmetic number, because the mean of its divisors is an integer number (11805703884).

Almost surely, 2^311131032002 is an apocalyptic number.

311131032002 is a deficient number, since it is larger than the sum of its proper divisors (255542754430).

311131032002 is a wasteful number, since it uses less digits than its factorization.

311131032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43383 (or 43376 counting only the distinct ones).

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

Adding to 311131032002 its reverse (200230131113), we get a palindrome (511361163115).

The spelling of 311131032002 in words is "three hundred eleven billion, one hundred thirty-one million, thirty-two thousand, two".