102311213 has 8 divisors (see below), whose sum is σ = 105457536. Its totient is φ = 99212400.

The previous prime is 102311207. The next prime is 102311227. The reversal of 102311213 is 312113201.

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 102311213 - 2⁴ = 102311197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311203) 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, 7481 + ... + 16142.

It is an arithmetic number, because the mean of its divisors is an integer number (13182192).

Almost surely, 2^102311213 is an apocalyptic number.

It is an amenable number.

102311213 is a deficient number, since it is larger than the sum of its proper divisors (3146323).

102311213 is an equidigital number, since it uses as much as digits as its factorization.

102311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23755.

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

The square root of 102311213 is about 10114.9005432580. The cubic root of 102311213 is about 467.7075829927.

Adding to 102311213 its reverse (312113201), we get a palindrome (414424414).

The spelling of 102311213 in words is "one hundred two million, three hundred eleven thousand, two hundred thirteen".