102103213232131 has 4 divisors (see below), whose sum is σ = 104275622024352. Its totient is φ = 99930804439912.

The previous prime is 102103213232117. The next prime is 102103213232143. The reversal of 102103213232131 is 131232312301201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102103213232131 - 2²¹ = 102103211134979 is a prime.

It is a super-2 number, since 2×102103213232131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102103213232096 and 102103213232105.

It is not an unprimeable number, because it can be changed into a prime (102103213232731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086204396040 + ... + 1086204396133.

It is an arithmetic number, because the mean of its divisors is an integer number (26068905506088).

Almost surely, 2^{102103213232131} is an apocalyptic number.

102103213232131 is a deficient number, since it is larger than the sum of its proper divisors (2172408792221).

102103213232131 is an equidigital number, since it uses as much as digits as its factorization.

102103213232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172408792220.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 102103213232131 its reverse (131232312301201), we get a palindrome (233335525533332).

The spelling of 102103213232131 in words is "one hundred two trillion, one hundred three billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-one".