311131011002 has 32 divisors (see below), whose sum is σ = 543670952832. Its totient is φ = 130768208064.

The previous prime is 311131010999. The next prime is 311131011017. The reversal of 311131011002 is 200110131113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 1609973 + ... + 1792839.

It is an arithmetic number, because the mean of its divisors is an integer number (16989717276).

Almost surely, 2^311131011002 is an apocalyptic number.

311131011002 is a deficient number, since it is larger than the sum of its proper divisors (232539941830).

311131011002 is a wasteful number, since it uses less digits than its factorization.

311131011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185222.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 311131011002 its reverse (200110131113), we get a palindrome (511241142115).

The spelling of 311131011002 in words is "three hundred eleven billion, one hundred thirty-one million, eleven thousand, two".