311213123201 has 8 divisors (see below), whose sum is σ = 312535512960. Its totient is φ = 309890902608.

The previous prime is 311213123189. The next prime is 311213123227. The reversal of 311213123201 is 102321312113.

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 311213123201 - 2³⁴ = 294033254017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311213123231) 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, 4830935 + ... + 4894931.

It is an arithmetic number, because the mean of its divisors is an integer number (39066939120).

Almost surely, 2^311213123201 is an apocalyptic number.

It is an amenable number.

311213123201 is a deficient number, since it is larger than the sum of its proper divisors (1322389759).

311213123201 is a wasteful number, since it uses less digits than its factorization.

311213123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84583.

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

Adding to 311213123201 its reverse (102321312113), we get a palindrome (413534435314).

The spelling of 311213123201 in words is "three hundred eleven billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred one".