123210302131 has 8 divisors (see below), whose sum is σ = 140814029664. Its totient is φ = 105607138560.

The previous prime is 123210302107. The next prime is 123210302141. The reversal of 123210302131 is 131203012321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123210302131 - 2⁹ = 123210301619 is a prime.

It is a super-2 number, since 2×123210302131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123210302099 and 123210302108.

It is not an unprimeable number, because it can be changed into a prime (123210302141) 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 7 ways as a sum of consecutive naturals, for example, 558621 + ... + 747313.

It is an arithmetic number, because the mean of its divisors is an integer number (17601753708).

Almost surely, 2^123210302131 is an apocalyptic number.

123210302131 is a deficient number, since it is larger than the sum of its proper divisors (17603727533).

123210302131 is an equidigital number, since it uses as much as digits as its factorization.

123210302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281981.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123210302131 its reverse (131203012321), we get a palindrome (254413314452).

The spelling of 123210302131 in words is "one hundred twenty-three billion, two hundred ten million, three hundred two thousand, one hundred thirty-one".