311230113002 has 16 divisors (see below), whose sum is σ = 499402600200. Its totient is φ = 144951318528.

The previous prime is 311230112993. The next prime is 311230113023. The reversal of 311230113002 is 200311032113.

It can be written as a sum of positive squares in 4 ways, for example, as 292422459121 + 18807653881 = 540761^2 + 137141^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47181377 + ... + 47187972.

Almost surely, 2^311230113002 is an apocalyptic number.

311230113002 is a deficient number, since it is larger than the sum of its proper divisors (188172487198).

311230113002 is a wasteful number, since it uses less digits than its factorization.

311230113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94369465.

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

Adding to 311230113002 its reverse (200311032113), we get a palindrome (511541145115).

The spelling of 311230113002 in words is "three hundred eleven billion, two hundred thirty million, one hundred thirteen thousand, two".