2311213001 has 4 divisors (see below), whose sum is σ = 2332416900. Its totient is φ = 2290009104.

The previous prime is 2311212989. The next prime is 2311213013. The reversal of 2311213001 is 1003121132.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2311212989) and next prime (2311213013).

It can be written as a sum of positive squares in 2 ways, for example, as 1069355401 + 1241857600 = 32701^2 + 35240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311213001 - 2¹⁴ = 2311196617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311213031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601786 + ... + 10602003.

It is an arithmetic number, because the mean of its divisors is an integer number (583104225).

Almost surely, 2^2311213001 is an apocalyptic number.

It is an amenable number.

2311213001 is a deficient number, since it is larger than the sum of its proper divisors (21203899).

2311213001 is a wasteful number, since it uses less digits than its factorization.

2311213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21203898.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2311213001 is about 48075.0767134073. The cubic root of 2311213001 is about 1322.1477510461.

Adding to 2311213001 its reverse (1003121132), we get a palindrome (3314334133).

The spelling of 2311213001 in words is "two billion, three hundred eleven million, two hundred thirteen thousand, one".