123102241331 has 4 divisors (see below), whose sum is σ = 126104735064. Its totient is φ = 120099747600.

The previous prime is 123102241309. The next prime is 123102241337. The reversal of 123102241331 is 133142201321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133142201321 = 189989 ⋅700789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123102241331 is a prime.

It is a super-2 number, since 2×123102241331² (a number of 23 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 = 123102241297 and 123102241306.

It is not an unprimeable number, because it can be changed into a prime (123102241337) 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, 1501246805 + ... + 1501246886.

It is an arithmetic number, because the mean of its divisors is an integer number (31526183766).

Almost surely, 2^123102241331 is an apocalyptic number.

123102241331 is a deficient number, since it is larger than the sum of its proper divisors (3002493733).

123102241331 is an equidigital number, since it uses as much as digits as its factorization.

123102241331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002493732.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123102241331 its reverse (133142201321), we get a palindrome (256244442652).

The spelling of 123102241331 in words is "one hundred twenty-three billion, one hundred two million, two hundred forty-one thousand, three hundred thirty-one".