311311222232002 has 8 divisors (see below), whose sum is σ = 483069137946300. Its totient is φ = 150288176249904.

The previous prime is 311311222231979. The next prime is 311311222232027. The reversal of 311311222232002 is 200232222113113.

It can be written as a sum of positive squares in 2 ways, for example, as 288993166040401 + 22318056191601 = 16999799^2 + 4724199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683717432977 + ... + 2683717433092.

Almost surely, 2^{311311222232002} is an apocalyptic number.

311311222232002 is a deficient number, since it is larger than the sum of its proper divisors (171757915714298).

311311222232002 is a wasteful number, since it uses less digits than its factorization.

311311222232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367434866100.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311311222232002 its reverse (200232222113113), we get a palindrome (511543444345115).

The spelling of 311311222232002 in words is "three hundred eleven trillion, three hundred eleven billion, two hundred twenty-two million, two hundred thirty-two thousand, two".