311003002121213 has 8 divisors (see below), whose sum is σ = 311927428579968. Its totient is φ = 310078820850304.

The previous prime is 311003002121197. The next prime is 311003002121221. The reversal of 311003002121213 is 312121200300113.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 311003002121213 - 2⁴ = 311003002121197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311003002121813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58756181 + ... + 63830202.

It is an arithmetic number, because the mean of its divisors is an integer number (38990928572496).

Almost surely, 2^{311003002121213} is an apocalyptic number.

It is an amenable number.

311003002121213 is a deficient number, since it is larger than the sum of its proper divisors (924426458755).

311003002121213 is a wasteful number, since it uses less digits than its factorization.

311003002121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122593923.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311003002121213 its reverse (312121200300113), we get a palindrome (623124202421326).

The spelling of 311003002121213 in words is "three hundred eleven trillion, three billion, two million, one hundred twenty-one thousand, two hundred thirteen".