102312011 has 8 divisors (see below), whose sum is σ = 104134800. Its totient is φ = 100505088.

The previous prime is 102311999. The next prime is 102312043. The reversal of 102312011 is 110213201.

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 102312011 - 2⁶ = 102311947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102311983 and 102312001.

It is not an unprimeable number, because it can be changed into a prime (102312611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9440 + ... + 17138.

It is an arithmetic number, because the mean of its divisors is an integer number (13016850).

Almost surely, 2^102312011 is an apocalyptic number.

102312011 is a deficient number, since it is larger than the sum of its proper divisors (1822789).

102312011 is an equidigital number, since it uses as much as digits as its factorization.

102312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102312011 is about 10114.9399899357. The cubic root of 102312011 is about 467.7087989874.

Adding to 102312011 its reverse (110213201), we get a palindrome (212525212).

The spelling of 102312011 in words is "one hundred two million, three hundred twelve thousand, eleven".