102311001 has 24 divisors (see below), whose sum is σ = 159606720. Its totient is φ = 62780256.

The previous prime is 102310987. The next prime is 102311003. The reversal of 102311001 is 100113201.

It is not a de Polignac number, because 102311001 - 2⁶ = 102310937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102311003) 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 23 ways as a sum of consecutive naturals, for example, 47980 + ... + 50066.

It is an arithmetic number, because the mean of its divisors is an integer number (6650280).

Almost surely, 2^102311001 is an apocalyptic number.

It is an amenable number.

102311001 is a deficient number, since it is larger than the sum of its proper divisors (57295719).

102311001 is a wasteful number, since it uses less digits than its factorization.

102311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 102311001 is about 10114.8900636636. The cubic root of 102311001 is about 467.7072599454.

Adding to 102311001 its reverse (100113201), we get a palindrome (202424202).

The spelling of 102311001 in words is "one hundred two million, three hundred eleven thousand, one".