102101103231 has 4 divisors (see below), whose sum is σ = 136134804312. Its totient is φ = 68067402152.

The previous prime is 102101103227. The next prime is 102101103239. The reversal of 102101103231 is 132301101201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132301101201 = 3 ⋅44100367067.

It is a cyclic number.

It is not a de Polignac number, because 102101103231 - 2² = 102101103227 is a prime.

It is a super-2 number, since 2×102101103231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102101103231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101103239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17016850536 + ... + 17016850541.

It is an arithmetic number, because the mean of its divisors is an integer number (34033701078).

Almost surely, 2^102101103231 is an apocalyptic number.

102101103231 is a deficient number, since it is larger than the sum of its proper divisors (34033701081).

102101103231 is an equidigital number, since it uses as much as digits as its factorization.

102101103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34033701080.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102101103231 its reverse (132301101201), we get a palindrome (234402204432).

The spelling of 102101103231 in words is "one hundred two billion, one hundred one million, one hundred three thousand, two hundred thirty-one".