102120311230 has 16 divisors (see below), whose sum is σ = 210076068960. Its totient is φ = 35012678112.

The previous prime is 102120311179. The next prime is 102120311233. The reversal of 102120311230 is 32113021201.

102120311230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102120311230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120311233) 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, 729430725 + ... + 729430864.

It is an arithmetic number, because the mean of its divisors is an integer number (13129754310).

Almost surely, 2^102120311230 is an apocalyptic number.

102120311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120311230 is an abundant number, since it is smaller than the sum of its proper divisors (107955757730).

102120311230 is a wasteful number, since it uses less digits than its factorization.

102120311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458861603.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102120311230 its reverse (32113021201), we get a palindrome (134233332431).

The spelling of 102120311230 in words is "one hundred two billion, one hundred twenty million, three hundred eleven thousand, two hundred thirty".